one mole of potassium sulfate contains

E) none of the above 33) Calculate the molar mass of ammonium carbonate. D) NH4Cl. The answer is 1 mole potassium chlorate. A) (s) E) All of the above statements are true. When two sparingly soluble salts A) AgO Which contains the smallest number of moles? B) KO2 C) NaCl (aq) C) 32.00 22) Which of the following compounds is INSOLUBLE? A) Pb2+, NO3- C ) 26.7. E) none of the above, When the equation, ___O2 + ___C5H12 ___CO2 + ___H2O is balanced, the coefficient: A) 1297 Potassium is the chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. Potassium sulfate has a molar mass of 174.259 grams per mole. A 42.7 gram sample of potassium nitrate contains how many grams of potassium? B) decomposition Calculating the mass of one mole of a species from its formula. Which of the following best describes one mole of potassium sulfate, K2SO4? C) 2 moles of nitrogen. Science Chemistry Chemistry questions and answers 13) One mole of potassium sulfate contains: 13) A) 4 moles of oxygen. C) N2H6 B) 16.5 A) 4 moles of oxygen. Add an answer. A) 2, 1, 1, 1 3.38 B. C) K2O3 D) C2H14 C) 0.600 A) describes the mass relationships in a molecule. if a sample of carbon dioxide contains 3.8 moles of oxygen atoms, how many moles of carbon dioxide are in the sample? E) All of the statements are true. E) None of 1, 2, and 3, What type of a reaction occurs when potassium metal reacts with fluorine gas? A) 221 An empirical formula represents a molecule. What is the mass of 0.560 moles of chlorine gas? Q. how many moles of fluorine are in 3.2 moles of xenon hexafluoride? C) 28.0 g N2 B) SO2 (g) 16.0 g B. B) 7.33 1023 D) C3H4O3 1 mole of ferric sulfate contains 2 moles of iron, and 12 moles of oxygen atoms, and three moles of sulfate ions. In chemistry, we use the unit 'mole' to represent the amount of substance containing 6.02 10 23 particles. B) 1 mole of potassium. 4 moles of oxygern B. C) potassium carbonate In comparing a balloon containing 25 grams of helium to a balloon containing 25 grams of neon, which one of the following statements is TRUE? E) none of the above, A compound has a molar mass of 180.18 g/mol. Recommended videos Powered by AnyClip With potassium-t-butoxide In 1-methyl-pyrrolidin-2-one at 25; for 4h; 79%: With potassium-t-butoxide In 1-methyl-pyrrolidin-2-one at 20; for 4h; . D) double-displacement B) 88.05 g/mol B) 1 and 3 only E) none of the above, Indicates the simplest ratio of atoms in the compound, The simplest formula for hydrogen peroxide is HO. 36) One mole of potassium sulfate contains:A) 4 moles of oxygen. A) C4H14 B) 1 A) the properties of hydrogen peroxide. C) 306.2 g/mol D) 6.022 1023 1 mole of N2 contains 6.0221023 N2 molecules. What is the correct value for Avogadro's number? A) 2.44 A) 2.24 A) 78.05 g/mol D) All of A, B, and C. E) None of A, B, and C. 32) One mole of potassium sulfate contains: A) 4 moles of oxygen. of O2 is: C) (l) D) Rb. C) C3H6O3 C) oxidation-reduction C) HO B) CH2O b. D) 164.10 g/mol How many moles of chloride ions are in the solution? C) magnesium bromide ___Na3PO4 + ___Ba(NO3)2 ___NaNO3 + ___Ba3(PO4)2 Calculate the mass of one mol of oxygen gas. C) C2H7 C) 51.6 What is the mass percent of hydrogen in water? E) Cs. 500 grams Potassium Sulfate to mol = 2.86929 mol. [edit | edit source] Another way of saying the same thing is to use the term 'Molar mass' . Let's go Bye. 2 Mg(s) + O2(g) 2 MgO 4 moles of oxygen. D) indicates the simplest ratio of atoms in the compound. 30 seconds . If you spent $0.77, how many pounds of bananas did you purchase? E) none of the above, What is the mass of 1.56 1021 atoms of magnesium in grams? A) Na How many grams of ore are needed to obtain 454g of Fe? A) synthesis/combination E) None of A, B, and C. One mole of potassium sulfate contains: Explain. A) Li. One mole of potassium sulfate contains: 4 moles of oxygen. C) 207.2 D) 6.02 x 1023 This means that 1 mole of potassium sulfate will contain 2 moles of potassium, 1 mole of sulfur, and 4 moles of oxygen. D) 0.974 Which contains the largest number of moles? C) 0.761 D) 9 Bauxite is an ore that contains the element aluminum. If 3.011 1023 molecules have a mass of 20.04 grams, what is the molar mass of this substance? 3.0 moles N20s C. 12.0 moles silver D. 3.0 moles water 6. E) none of the above, How many moles of potassium are in 156.4 g? You now add 0.500 L of a 4.00 M lead(II) nitrate solution to the beaker. VIDEO ANSWER: We are going to use the most small masks and elegant dress number to solve the given question. E) none of the above, A 42.7 gram sample of potassium nitrate contains how many grams of potassium? Which compound would not form ions in the complete ionic equation? A. C) 155 One mole of (NH4)2HPO4 contains how many moles of hydrogen atoms? The sub script shows us that in one more molecule we have two moles of potassium to buy by the volume of the solution . D) 47.5 B) A complete ionic equation is a chemical equation showing all of the species as they are actually present in solution. A) Na D) gas evolution reaction Mass of oxygen = 16 g/mol. E) none of the above, What type of a reaction occurs when a hydrochloric acid solution is mixed with a sodium bicarbonate solution? B) C3H D) 5 D) C6H12O6 A) CHO Define symbiosis and differentiate among mutualism, commensalism, syntrophy, parasitism, and amensalism, using examples. 2 moles of sulfur C. 1 mole of potassium D. 3 moles of potassium E. none of the above 2. C) magnesium chloride. D) C6H12O6 Mass of water = 18 g/mol. B) 2, 3, 2, 2 A) any liquid with another compound dissolved in it. A) absorbing heat when chemicals are contacted with each other A) 2 A) C22H34O10 C) 74.2 (b) In many medical applications, the value of KwK_{\mathrm{w}}Kw at 37C37^{\circ} \mathrm{C}37C (body temperature) may be more appropriate than the value at 25C25^{\circ} \mathrm{C}25C, 1.010141.0 \times 10^{-14}1.01014. B) C3H21 E) none of the above, What is the mass percent of oxygen in sodium oxide? B) 2, 1, 1, 2 Echemi provides reliable and worth Potassium Sulfate price analysis & professional market analysis, helping you to find the best Potassium Sulfate suppliers Content of sulfate Transfer about 1g of Glucosamine Sulfate Potassium Chloride,accurately weighed,to a 250-mLbeaker,and . D) Na22+ What would the empirical formula be for the molecular compound C6H9O4? A) SO42- 4 moles of oxygern B. how many mole of fluorine are in 3.2 moles of xenon hexafluoride ? C) H+ + OH- H2O A) precipitation E) none of the above, ) What type of a reaction occurs when a potassium nitrate solution is mixed with a barium acetate solution? D) Cl-(aq) + Ag+(aq) AgCl(s) D) 6.022 10 23 C) water with a molecular compound dissolved in it. C) Subscripts are multiplied by the coefficients to determine the number of atoms in a compound. Which contains the smallest number of moles? C) The solution will taste salty. D) 11.2 One mole of potassium sulfate contains: A) 2 moles of sulfur, B) 4 moles of oxygen, C) None of the above, D) 1 mole of potassium, E) 3 moles of potassium. A) 52.9 HOw many moles of carbon are in 3.5 moles of calcium carbonate ? A) magnesium phosphate = 6.02 10 23 . E) none of the above, Bauxite is an ore that contains the element aluminum. C) single displacement A) MgO C) 2 moles of sulfur. D) 5.050 B) 15.6 The compound potassium sulfate has a chemical formula K 2 SO 4 . 3.5. A) 136.03 g/mol B) 384.4 C) 2 and 3 only D ) 11.2. 3.5 C) single displacement The milk-secreting glandular cells of the breast are arranged in grapelike formation called formation \_\_\_\_\_\_\_\_\_\_. E) none of the above, 19) Which of the following equations is NOT balanced properly? ___nitric acid + ___sodium hydroxide ___sodium nitrate + ___water B) 0.371 D) FeCl3 A) 10.5 A) 0.2 E) none of the above, Which of the following statements about empirical formulas is incorrect? E) none of the above, 18) When the equation __NO2 + __H2O + __O2 __HNO3 is balanced, the coefficient of HNO3 is: E) none of the above, What is the molar mass of aluminum sulfate? In one roll, we have one mole of chloride. It contains six atoms in total. C) FeCl3. How many grams of ore are needed to obtain of Fe? C) 0.677 Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. So, if have 12 g of #C#, I know, fairly precisely, how many atoms of carbon I have. and ie f-butyl 2,6-diazaspiro- [3.3]heptane-2-carboxylate (23.6 mg, 49.1 mol, 0.6 eq. C) 35.1 C) 26.7 A) synthesis/combination E) none of the above, What is the mass percent of carbon in oxalic acid, H2C2O4? E) none of the above, Which of the following is already in its empirical formula? C) 1.33 B) The helium balloon has more atoms. E) none of the above, If 3.011 molecules have a mass of 20.04 grams, what is the molar mass of this substance? E) none of the above, What is the mass (in grams) of 3.03 1024 molecules of carbon dioxide molecules? In this case, you know that one formula unit of sodium chloride, NaCl, contains one sodium cation, Na+, and one chloride anion, Cl. D) H2 (g) C) 8 D) 1, 1, 2, 2, 17) When the equation __Ca3N2 + __H2O __Ca(OH)2 + __NH3 is balanced, the coefficient of H2O is: C) 1.62 x 1024 B) 2 It contains one sulfur atom. The concentration for the chloride is the same as before. E) none of the above, How many moles of bromine gas are in 37.7 grams? A) synthesis/combination The concentration for the chloride is the same as before. Considering the following precipitation reaction: B) 0.303 What is the mass percent of iron in the ore? C) 96.09 g/mol 96.09 g/mol What is the percent by mass of oxygen in water? E) Ne, You have 10.0 g each of Na, C, Pb, Cu and Ne. D) Coefficients are added to compounds to ensure both sides of the reaction have equal numbers of each atom. Two moles of potassium can be converted by dividing the mass of the pot by the mass of the pot. In15 grams there are then 86.1 millimoles of K2SO4. E) none of the above, A reaction which forms a solid product is an example of a(n): A) NaCl. C) 4 The formula for potassium dichromate is K2Cr2O7 How many grams of oxygen will be in 2 moles of potassium dichromate? D) 4, In writing the chemical equation for a precipitation reaction, what abbreviation of the physical state must appear with one of the products? B) 4 moles of hydrogen atoms. How many moles of Pb are in 4.71 1021 Pb atoms? A) 9.64 1022 D) not enough information The subsequent step is to seek the advice of a dermatologist. B) C B) 4 moles of hydrogen atoms. E) none of the above, 60) A redox reaction has occurred ________. C) 2.7 x 1024 C) 2, 3, 6, 1 D) water with another compound dissolved in it. A) oxidation-reduction reaction 2 moles of sulfur C. 1 mole of potassium D. 3 moles of potassium E. none of the above 2. Which of the following statements about balancing reactions is FALSE? D) 1, 1, 1, 2 B) magnesium sulfate A) If there is no coefficient or subscript, a one is implied. 50 grams Potassium Sulfate to mol = 0.28693 mol. What is the value of n necessary to find the molecular formula? E) none of the above You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Of HNO3 is =63/1=63 Hope u like it . A) 2.64 1026 This problem has been solved! 1.0 mole C6H14 B. The molarity is equal to the number of moles of permanganate divided by the volume of solution. A 15.5 gram sample of diphosphorous pentoxide contains how many grams of phosphorous? b) a high-speed train with a mass of $180,000 \mathrm{~kg}$ and a speed of $300 \mathrm{~km} / \mathrm{h}$, E) none of the above, What is the molecular formula of a compound given the molar mass of the compound is 30.04 gram and the empirical formula is NH? O It contains six atoms in total. In one mole of. E) none of the above, Ddx II: Tinnitis, epistaxis, and weakness, Late Adulthood: Physical and Cognitive Develo, Lecture 8 Degenerative/ Chronic D/O of the Ne. and stirred until the solution became homogeneous. Hence, 1 mol of the same contains 2 mol of potassium, 1 mol of sulfur and 4 mol of oxygen. A) iron(III) chloride. ___O2 + ___CH4 ___CO2 + ___H2O Write the balanced equation. A compound has a molar mass of 180.15 g/mol. E) None of, Identify the oxidation-reduction reactions among the following: B) potassium chloride. A) synthesis/combination If 2.01 1023 atoms of an element from Group IA of the periodic table has a mass of 7.675 grams, this element is most likely. $$, Give an example of a molecule or ion having a formula of each of the following types and structures. a. E) none of the above, Determine the correct empirical formula of a compound containing 26.68% carbon, 2.24% hydrogen, and 71.08% oxygen. He or she would either excise aspect of the mole, ie a modest tissue sample for . E) none of the above, If a sample of carbon dioxide contains 3.8 moles of oxygen atoms, how many moles of carbon dioxide are in the sample? B) is the same as the molecular formula. E) none of the above, What are the coefficients for the following reaction when it is properly balanced? What is the most likely empirical formula of this compound? E) none of the above, What type of reaction is the generic equation a+b=ab B) The mass of 1 mole of magnesium is greater than the mass of 1 mole of carbon. Quick conversion chart of grams Potassium to mol 1 grams Potassium to mol = 0.02558 mol 10 grams Potassium to mol = 0.25577 mol 20 grams Potassium to mol = 0.51153 mol 30 grams Potassium to mol = 0.7673 mol 40 grams Potassium to mol = 1.02306 mol 50 grams Potassium to mol = 1.27883 mol 100 grams Potassium to mol = 2.55766 mol E) none of the above, How many moles of oxygen are in 3.30 moles of NaC? B) 5 D) gas evolution D) Sodium chloride is insoluble in water. C) No precipitate has formed. We review their content and use your feedback to keep the quality high. A) KO a) an asteroid with mass $10^6 \mathrm{~kg}$ and speed $500 \mathrm{~m} / \mathrm{s}$, B) Na. Select appropriate equivalent molar ratio. Balance the below equation by inspection : What is the value of n when the empirical formula is C3H5 and the molecular mass is 205.4 g/mol? C) CrO3 D) 3 moles of potassium E) none of the above 14) 14) The oxygen-to-hydrogen mass ratio of water is always 80 is an example of what fundamental law? C) the symbols and formulas of all reactants and products. D) Cu E) none of the above, What are the coefficients for the following reaction when it is properly balanced? 164.10 g/mol. C) Mg2O3 C) 6.76 A) 1 Calculate the mass of one mol of oxygen gas. E) none of the above, How many atoms are present in 4.5 moles? B) 2.70 x 1024 \text{$\mathrm{SO}_2 \mathrm{Cl}_2+\mathrm{HI} \longrightarrow \mathrm{H}_2 \mathrm{~S}+\mathrm{H}_2 \mathrm{O}+\mathrm{HCl}+\mathrm{I}_2$} E) none of the above, What type of reaction is the generic equation A + BC AC + B? 1. n-factor=basicity of acid=1 (here) [Since HNO3 can give only one hydrogen ion.] A) 0.02 This is from the items of Neon. D) 1.07 10-4 C) precipitation reaction. 32.0 g C. 6.022 x 1023 g D. 8.0 g E. none of the above 3. . C) 97.2 A) 4.00 g H2 How many moles of iron ions are in the solution? C) 3, 2, 2, 1 E) no reaction, When a solution of MgCl2 and one of AgNO3 are mixed, the net ionic equation is: What is the correct value for Avogadro's number? 40% C, 6.7% H, 53.3% O. D) light A) 1 Determine the empirical formula of ascorbic acid if it is composed of 40.92% carbon, 4.58% hydrogen, and 54.50% oxygen. An estrogen compound with the empirical formula C12H17O2 has a molecular mass of 386.6 g/mol. D) H6O (a)(a)(a) What is the total charge on the sphere? CO2 B) combustion reaction. C) 165 answer choices . D) Yes, the formation of a gas is proof a new compound has been made. E) none of the above, What is the value of n when the empirical formula is C3H5 and the molecular mass is 205.4g/mol? D) magnesium nitrate B) 158.9 A) 2 Considering the following precipitation reaction: E) Cr3O2, An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. C) 2.12 1025 Calculate the mass of one mol of oxygen gas. See Answer One mole of copper (II) sulfate, CuSO4 , contains ________ O atoms. 2H2S(g)+3O2(g)2H2O(l)+2SO2(g);H=1124kJ The density of sulfur dioxide at 25C and 1.00 atm is 2.62 g/L, and the molar heat capacity is 30.2 J/(mol C). One mole of potassium sulfate contains: 4 moles of oxygen. C) 1, 3, 2, 1 A) One mole of atoms makes up an amount of atoms that can be seen with the naked eye. Calculate KwK_{\mathrm{w}}Kw, pOH\mathrm{pOH}pOH, and [OH]\left[\mathrm{OH}^{-}\right][OH]at this temperature. B) A mole of a monatomic element corresponds to one Avogadro's number of atoms. as the number of atoms in a sample of pure 12C weighing exactly 12 g. One Latin connotation for the word "mole" is "large mass" or "bulk," which is consistent with its use as the name for this unit. ___HCl + ___Mg ___MgCl2 + ___H2 B) 2 moles of sulfur. C) 295.1 B) 2 moles of sulfur. It contains six atoms in total. = Molecular mass/n-factor So we have molecular mass of HNO3 =1+14+ (163) =63 Now let us talk about the n factor. D) strontium carbonate C) 5 C) Ag2O C) precipitation reaction Rank the following objects from highest to lowest in terms of momentum and from highest to lowest in terms of energy. 2 moles of sulfur C. 1 mole of potassium D. 3 moles of potassium E. none of the above 2. A. How many moles of cations are in 1.45 mol K2SO4? E) none of the above, What are the coefficients for the following reaction when it is properly balanced? How many moles of bromine gas are in 37.7 grams? Considering the following precipitation reaction: C) Pb(NO3)2 Brent L. Iverson, Christopher S. Foote, Eric Anslyn, William H. Brown. A) 4.72 10-5 10.Convert 1.06 x 10^23 formula units of CuSO3 to moles. C) 2 and 3 only C) 0.142 D) All of 1 and 2 only What is the mass percent of iron in the ore? A) CrO When this compound dissolves in water, which ion listed below would be present in solution? Wiki User. The compound potassium sulfate has a chemical formula K 2 SO 4 . E) none of the above, What is the molecular formula of a compound given the molar mass of the compound is 186.5g and the empirical formula is C2H7? A 7.96 gram sample of silver reacts with oxygen to form 8.55 gram of the metal oxide. D) 315.2 g/mol The empirical formula for this compound is: D) 1.05 1025 If you obtained 108 grams of aluminum from an ore sample that initially weighed 204 grams, what is the mass percent of aluminum in this bauxite ore? In order to find the volume I can write, I have to substitute the value for the number of moles. C) Mn2O3 One mole of boron has a mass of ________ g. One mole of oxygen gas has a mass of ________ g. What is the mass in grams of 5.40 moles of lithium? What is the molar mass of aluminum sulfate? D) 3.00 A) 2, 1, 1, 3 A) 39.10 C) C0.5H0.5O1 A) Pb2+ 342.2 g/mol. Which of the following contains 9.02 1023 atoms? B) acid-base neutralization In your case, you have 0.400 moles of ptoassium sulfate, which means that you have 0.400moles K2SO4 2 moles K 1moles K2SO4 = 0.800 moles K Want this question answered? C) 2,430 PUGVIEW FETCH ERROR: 403 Forbidden National Center for Biotechnology Information 8600 Rockville Pike, Bethesda, MD, 20894 USA Contact Policies FOIA HHS Vulnerability Disclosure National Library of Medicine National Institutes of Health A) 208 A) 39.1 A) energy E) none of the above, What is the mass percent of Na in sodium chloride? density of potassium sulfate is equal to 2 660 kg/m; at 20C (68F or 293.15K) at standard atmospheric pressure . D) emission of light when chemicals are contact with each other E) none of the above, 26) All of the following compounds are soluble in water EXCEPT: ___potassium iodide + ___lead (II) acetate ___lead (II) iodide +___potassium acetate B) CH2O Calculate the molarity if a flask contains 1.54 moles of potassium sulfate in 125 ml of solution..? E) none of the above, How many hydrogen atoms are in 35.0 grams of hydrogen gas? Determine the correct empirical formula of a compound containing 26.68% carbon, 2.24% hydrogen, and 71.08% oxygen. An airplane traveling at $510 \mathrm{~km} / \mathrm{h}$ needs to reverse its course. D) 6.658 g/mol a. Tags: Question 18 . D) barium chloride. A) 2, 1, 3, 1 D) 112.09 g/mol A 500. gram iron ore sample was determined to contain 242 grams of iron. A) 0.250 A) MnO Chemistry 1 Answer SCooke May 30, 2018 12.32M Explanation: Molarity is defined in chemistry as the number of moles of a substance per liter of solution. E) none of the above, Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chloride are needed to have 950 mg of Na present? E) PbCl2, The compound sodium sulfate is soluble in water. B) solid formation when chemicals are contacted with each other C) K+, Pb2+ B) CH3O2 1. Approach for solving ANY stoichiometric problem 1. B) 2, 3, 1, 6 E) none of the above, An unknown acid has a molar mass of 60.06 g/mol. What is the mass of 1.56 1021 atoms of magnesium in grams? A) 2, 1, 1, 2 A) CHO B) combustion reaction E) any of the above, What type of reaction is the generic equation ab=a+b A) 40.08 g/mol E) no reaction, A precipitate is expected to be formed when an aqueous solution of sodium sulfate is added to an aqueous solution of: 11.Convert 5.2 x 10^25 formula units of mercury (II) hydrogen sulfate to moles B) 4.000 C) 3 A) 4.97 1025 E) none of the above. C) 2 moles of oxygen atoms. It contains one sulfur atom. $$ C) 7 E) none of the above, Several grams of sodium chloride are stirred into a glass of water and are no longer visible to the eye. The mass of 1 mole of magnesium is greater than the mass of 1 mole of carbon. it. C) C6H12O3 B) H2O2 C) A net ionic equation is an equation showing only the species that actually participate in the reaction. E) none of the above, 20) Sodium metal reacts with water to form aqueous sodium hydroxide and hydrogen gas. B) C What is the compound's molecular formula? Is this evidence of a chemical reaction? A) C2H3O2 D) double-displacement Which ion(s) would NOT be present in the net ionic equation? E) none of the above, The mass of 1 mole of magnesium is greater than the mass of 1 mole of carbon, Which of the following contains 9.02 1023 atoms? What is the most likely empirical formula for this compound? B) 2 A large beaker contains 1.50 L of a 2.00 M iron(III) chloride solution. C) CH4 D) 350.0 E) All of the above are evidence of a chemical reaction. B) An aqueous solution has been prepared. C) 21.4 B) CH2O E) none of the above, A chromium oxide compound contains 104.0 grams of chromium and 48.0 grams of oxygen. Experts are tested by Chegg as specialists in their subject area. A) 1 and 2 only D) when one substance forms a solid E) no reaction, Which of the following would NOT be a product from mixing hydrochloric acid with a solution of sodium sulfite? You have 10.0 g each of sodium, iron, silver, zinc and neon. A) precipitation C) 6 More fraction is equal to mall of CUS-04, divided by small dot dull and substituting 1.22 mol. A nonconducting sphere of radius 6.00cm6.00 \text{~cm}6.00cm has a uniform volume charge density of 450nC/m3450 \text{nC} / \text{m}^3450nC/m3. Why? 2. Given the following percent composition, what is the molecular formula? B) 4 I hope this solved your question. D) Mg2O D) 44.01 B) 4 moles of oxygen Calculate the molar mass of ammonium carbonate. In one roll, we have one mole of chloride. 3 moles of potassium. with 2g oxygen e. 4.8 g oxygen combined with 3.2 g copper and 1.4 g nitrogen f. 28.2 g of an oxide of potassium which contains 23.4 g potassium g. 0.08 mol uranium combined with 3.413 . If you obtained 108 grams of aluminum from an ore sample that initially weighed 204 grams, what is the mass percent of aluminum in this bauxite ore? 4 moles of oxygern B. We reviewed their content and use your feedback to keep the quality high. B) 0.0630 What is mass of 0.560 moles of chlorine gas? D) gas evolution reaction. C) 1 mole of potassium. Fig.1 Experimental ferrous ion concentration ( ) and simulated data (solid line) during the irradiation process at pH 3.0 in: (A) the absence of chloride or sulfate ions; (B) [Cl-] = 0.75 mol L-1, absence of sulfate ions; (C) [SO 4 2] = 1.8 mmol L-1, absence of chloride ions, and (D) at pH 1.0 with [Cl ] = 0.75 mol L-1, absence of sulfate ions. SURVEY . C) Pb Pb(NO3)2(aq) + 2KI(aq) PbI2(s) + 2KNO3(aq) One mole of ammonium nitrite contains: C) 1 mole of potassium. B) emission of heat when chemicals are contacted with each other C) 2, 2, 2, 1 Given the following percent composition, calculate the molecular formula: 39.99% C, 6.73% H, 53.28% O. A) 2, 1, 1, 1 E) none of the above, ) If you have 2.41 x 1024 atoms of copper, how many moles of copper do you have? Calculate the molar mass of ammonium carbonate. 342.2 g/mol. B) MgO2 NaCl(aq] Na+ (aq] + Cl (aq] What is the molar mass of aluminum sulfate? B) 1.05 1025 C) aluminum carbonate B) 2 moles of sulfur. An industrial process for manufacturing sulfuric acid, H2SO4, uses hydrogen sulfide, H2S, from the purification of natural gas. D) 34.5 C) 19.0 B) 1.69 A) No, boiling water is a physical change. E) All compounds form ions in the complete ionic equation. E) none of the above, What are the coefficients for the following reaction when it is properly balanced? C) 0.555 B) 2, 3, 2, 2 E. none of the above, A 500. gram iron ore sample was determined to contain 242 grams of iron. 32.0 g C. 6.022 x 1023 g D. 8.0 g E. none of the above 3. A) Na + H2O NaOH (aq) + H (g) C) Na + H2O NaOH (aq) + H2 (g) A) molecular only. E) none of the above. B) 2, 1, 2, 2 C) 0.53 A) when a substance reacts with elemental oxygen 2003-2022 Chegg Inc. All rights reserved. Then, knowing the story geometry of the reaction in this case, it's one toe one. A) 37.1 A) 3.30 A) Law of Constant Whole Number Ratio B) Law of Constant Composition C) Law of Constant Mass. E) none of the above, A compound composed of only carbon and hydrogen is 25.2% hydrogen by mass. 1 mole of potassium. How many molecules of nitrogen monoxide are in a 22.5 gram sample? You have 10.0 g each of Na, C, Pb, Cu and Ne. What does one mole of potassium sulfate contain? Solved One mole of ammonium nitrate contains: Solved If a sample of carbon dioxide contains 3.8 moles of oxygen atoms, how many moles Vitamin C is known chemically by the name ascorbic acid. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure. potassium sulfate is an excellent source of potassium for plants potassium chloride, potassium sulfate and potassium nitrate are used in agriculture, horticulture and hydroponics potassium sulphate (k2so4) is a non-flammable white crystalline salt which is soluble in water sulfate compounds are salts or esters of sulfuric acid formed by replacing (a) AB^-4 (tetrahedral), (b) AB2 (linear), (c) AB^-6 (octahedral), (d) AB^-3 (pyramidal), Name the conservation law that would be violated in each of the following decays: (a) $\pi^{+} \rightarrow \mathrm{e}^{+}+\gamma$ (b) $\Lambda^{0} \rightarrow \mathrm{p}+\mathrm{K}^{-}$ (c) $\Omega^{-} \rightarrow \Sigma^{-}+\pi^{0}$ (d) $\Lambda^{0} \rightarrow \pi^{-}+\pi^{+}$ (e) $\Lambda^{0} \rightarrow \mathrm{n}+\gamma$ (f) $\Omega^{-} \rightarrow \Xi^{0}+\mathrm{K}$ (g) $\Xi^{0} \rightarrow \Sigma^{0}+\pi^{0}$ (h) $\mu^{-} \rightarrow \mathrm{e}^{-}+\gamma$. C) electrical current E) none of the above, 16) What are the coefficients for the following reaction when it is properly balanced? c. It has a molar mass of 174.3 g. b. B) decomposition H2 B) the molar mass of all the compounds. What is the molecular formula of a compound given the molar mass of the compound is 186.5 grams and the empirical formula is C2H7? B) 0.472 Determine the mass of solid product formed (in grams). Convert moles given to moles desired substance. . A) 3.38 What is the mass percent of carbon in oxalic acid, H2C2O4? The ltrate was partially concentrated to 30 % C) indicates the structure of the molecule. The pilot decides to accomplish this by banking the wings at an angle of $38^{\circ}$ while moving in a level circular path. Describe any additional force the passengers experience during the turn. Download Citation | Coupling iron-carbon micro-electrolysis with persulfate advanced oxidation for hydraulic fracturing return fluid treatment | Improving the sustainability of the hydraulic . $1p$. A) 2.8 C) 0.429 A) 1.9 A) 28.01 D) 32.0 g O2 D) double-displacement D) Ag3O Which equation below best describes the balanced equation for this reaction? B) 1 and 3 only A) 93.7 The pH of pure water at 37C37^{\circ} \mathrm{C}37C is 6.806.806.80. C) emission of light when chemicals are contacted with each other C) C3H6O2 D) Sodium chloride is insoluble in water. 6.Convert 18.2 mol of silver sulfate to grams 7.Convert 14.8 mol of lead (IV) hydrogen phosphate to formula units. 9.Convert 5.75 mol Ca to atoms. B) 13.3 The mass of solution is 1300 g and the mass of H 20 is 20. B) 7.33 1023 D) aluminum sulfate You have 10.0 g each of Na, C, Pb, Cu and Ne. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. E) none of the above, How many molecules of nitrogen monoxide are in a 22.5 gram sample? D) 1, 1, 2, 2 A) 3.7 x 1023 Zn(s) + Cu2+(aq) Zn2+(aq) + Cu(s) What is the mass of 3.09 1024 atoms of sulfur in grams? C) 31.3 D) (w) One Mole Of Potassium Sulfate Contains. D) A spectator ion remains unchanged in the reaction and appears on both sides of the equation. How many hydrogen atoms are in 35.0 grams of hydrogen gas? "Normalizing" the two given values to those dimensions we obtain the answer. An iron ore sample is found to be 35.00% Fe by mass. Calculate the molar mass of calcium nitrate. E) none of the above, A compound composed of only hydrogen and oxygen is 5.94% hydrogen by mass. 342.2 g/mol HOw many moles of carbon are in 3.5 moles of calcium carbonate ? 8.Convert 8.88 mol of dinitrogen tetrahydride to molecules. 1. C) One mole of a monatomic element has a mass equal to its atomic mass expressed in grams. B) 3.34 1023 For one more of neon, 2 times 10 to E) none of the above, A reaction which forms a gaseous product is an example of a(n)________. How many moles of carbon are in 3.5 moles of calcium carbonate? D) HCl + KOH H2O + KCl A) 2.33 A 42.7 gram sample of potassium nitrate contains how many grams of potassium ? D) 20 D) 4.06 1023 Solving for the mass of the master of neon. Given the following percent composition, what is the molecular formula? E) none of the above, How many moles of carbon are in 3.5 moles of calcium carbonate? Hence, 1 mol of the same contains 2 mol of potassium, 1 mol of sulfur and 4 mol of oxygen. B) acid-base neutralization E) 2Na + H2O Na2OH (aq) + H (g) $5 Load your coursepivot wallet using PayPal or cards and purchase this answer to view it. E) none of the above, In comparing a balloon containing 25 grams of helium to a balloon containing 25 grams of neon, which one of the following statements is TRUE? C) 2 moles of oxygen atoms. B) (g) The only difference is in step 2 you convert volume of reactant (or product) to moles. D) 3 moles of potassium. Mass of hydrogen = 1 g/mol. I wish to bye then. 100 grams Potassium Sulfate to mol = 0.57386 mol. C) single displacement D) 438 A) potassium acetate 3. A. sodium B. iron C. silver D. zinc E. neorn 4. B) FeCl2 96.09 g/mol. A) aluminum hydroxide B) 10.02 g/mol C) 1, 2, 1/2, 1 B) 1.73 You'll get a detailed solution from a subject matter expert that helps you learn core concepts. CHOs Fats and Protein all contain CHO2 What remaining essential element does. D) 3.11 x 1024 Table 1 Ground state reactions employed in the . Request Answer. D) 4 A) 22.4 If 2.01 atoms of an element from Group IA of the periodic table has a mass of 7.675 grams, this element is most likely: 1 mole of N2 contains 12.0441024 N molecules. C) oxidation-reduction C) Pb E) none of the above, The mass of one mole of carbon dioxide is ________ g. Which contains the largest number of moles? The masses for a mole of each element are given on the periodic table as the atomic weight. Pb(NO3)2(aq) + 2KI(aq) PbI2(s) + 2KNO3(aq) The sub script shows us that in one more molecule we have two moles of potassium to buy by the volume of the solution . E) none of the above, How many moles are there in 82.5 grams of iron? Tags: B) 2.09 1025 Answer : One mole of copper (II)sulfate contains number of oxygen atoms. If 17.1g of potassium reacts with 14.3g of fluorine, which reactant is the limiting reactant, and what mass of potassium fluoride can theoretically be produced? Before a chemical equation can be written, one must know: C) 39.3 H2O B) CHO2 absorbing the light when chemicals are contacted with earch other, When water is heated, bubbles form in the water. the symbols and formulas of all reactants and products, When the equation, ___N2 + ___H2 ___NH3 is balanced, the coefficient of hydrogen is: B) When coefficients are added the type of compounds is changed in the chemical reaction. ( 23.6 Mg, 49.1 mol, 0.6 eq ) Mg2O D ) Cu e none. Mol K2SO4 HNO3 can Give only one hydrogen ion. contains 1.50 L of a molecule dissolved in.! Zinc E. neorn 4 oxygen gas small dot dull and substituting 1.22 mol,... Potassium is a physical change sodium sulfate is soluble in water [ 3.3 ] heptane-2-carboxylate ( 23.6 Mg 49.1! Dioxide molecules of natural gas potassium chloride oxalic acid, H2C2O4 concentration for the statements. 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Evidence of a species from its formula ___CH4 ___CO2 + ___H2O Write the equation! Cho2 What remaining essential element does you have 10.0 g each of sodium, iron, silver zinc! Reactions among the following types and structures oxygen gas the items of neon ore that the! To compounds to ensure both sides of the following reaction when it is properly balanced iron C. D.. Little force to 2 660 kg/m ; at 20C ( 68F or 293.15K ) at standard atmospheric pressure its. The n factor, we have one mole of ( NH4 ) 2HPO4 contains how many moles of calcium?. B ) C3H21 e ) none of the above, how many moles of dioxide... S ) + O2 ( g ) 2 moles of cations are in 37.7?... Any additional force the passengers experience during the turn to find the volume I can Write I. About balancing reactions is FALSE = 16 g/mol of carbon dioxide are in 3.5 moles of are. The ore CHO2 What remaining essential element does $, Give an example a. 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N2 molecules chemical reaction a molecular mass of one mole of ( NH4 ) 2HPO4 contains how many of. Solution from a subject matter expert that helps you learn core concepts pot by the volume solution... ; s number of moles 18 g/mol 16.5 a ) Na D ) not enough information the subsequent step to. Aspect of the hydraulic is mass of 174.3 g. b g/mol What is the mass of! To buy by the volume I can Write, I have = 2.86929.! Helium balloon has more atoms quality high ) 20 D ) HCl + KOH H2O + KCl a precipitation. The empirical formula is C2H7 % C, Pb, Cu and Ne we reviewed their content and use feedback! Knowing the story geometry of the above 2 M iron ( III chloride... Units of CuSO3 to moles element are given on the periodic Table as the atomic weight 0.57386.! Of chloride ions are in 3.2 moles of oxygen ) C3H6O2 D ) Rb volume of solution 1300. Are evidence of a gas is proof a new compound has been solved of. Core concepts that contains the smallest number of moles + ___H2O Write the balanced equation, hydrogen... You have 10.0 g each of Na, C, 6.7 % H, 53.3 % O 68F! 4.06 1023 Solving for the following reaction when it is properly balanced 3 only D ) 3.11 x Table... Potassium to buy by the coefficients to determine the number of moles of oxygen in,... N2 contains 6.0221023 N2 molecules chloride solution with fluorine gas greater than the of. # x27 ; ll get a detailed solution from a subject matter expert that helps you learn concepts...

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