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31. The empirical formula of C&H1206 is b. CH20 a. CHO c. C3H20 d. CHO2 32. What is the molecular weight of potassium permanganate, KMNO4 in g/mol С. 158 33. A compound with a composition of 87.5% N and 12.5% H was recently discovered. Wh a. 70 b. 88 d. 110 empirical formula of this compound? a. N,H4 b. NH2 C. NH3 d. NH

31. The empirical formula of C&H1206 is b. CH20 a. CHO c. C3H20 d. CHO2 32. What is the molecular weight of potassium permanganate, KMNO4 in g/mol С. 158 33. A compound with a composition of 87.5% N and 12.5% H was recently discovered. Wh a. 70 b. 88 d. 110 empirical formula of this compound? a. N,H4 b. NH2 C. NH3 d. NH

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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31. The empinical formula of C6H12O6 is b. CH20 a. СНО d. CHO2 32. What is the molecular weight of potassium permanganate, KMNO4 in g/mol c. C3H20 С. 158 33. A compound with a composition of 87.5% N and 12.5% H was recently discovered. Whi a. 70 b. 88 d. 110 empirical fomula of this compound? b. NH2 C. NH3 34. Study of the quantitative relationships of substances involved in the reaction is a. N,H, d. NH a chemical equation b. balancing equation c. stoichiometry d. chemical reaction 35. The number 6.022 x 1023 is the number of particles present in exactly 12-g of carbon is know d. Pascal no. a. Charle's no. b. Avogadro's no. c. Newton's no. 36. How many molecules of N,0 are there in 60.0 g of N,0? 3.61 x 10 b. 8.21 x 10 c. 1.00 x 103 d. 6.022 x 1023 a. 37.1 mole of CO, is equal to grams. a. 24 b. 34 d. 50 C. 44 38. How many grams of hydrogen are there in 2.5 g of water? b. 0.28 g a. 3.5 g c. 0.95 g d. 2.22 g 39-40. Consider the chemical equation below 2 C.H +50 (MW: C H, 26: 0. = 32; CO, = 44, H.O 18) 1CO, +2 H.O 39. Calculate the
Transcribed Image Text:31. The empinical formula of C6H12O6 is b. CH20 a. СНО d. CHO2 32. What is the molecular weight of potassium permanganate, KMNO4 in g/mol c. C3H20 С. 158 33. A compound with a composition of 87.5% N and 12.5% H was recently discovered. Whi a. 70 b. 88 d. 110 empirical fomula of this compound? b. NH2 C. NH3 34. Study of the quantitative relationships of substances involved in the reaction is a. N,H, d. NH a chemical equation b. balancing equation c. stoichiometry d. chemical reaction 35. The number 6.022 x 1023 is the number of particles present in exactly 12-g of carbon is know d. Pascal no. a. Charle's no. b. Avogadro's no. c. Newton's no. 36. How many molecules of N,0 are there in 60.0 g of N,0? 3.61 x 10 b. 8.21 x 10 c. 1.00 x 103 d. 6.022 x 1023 a. 37.1 mole of CO, is equal to grams. a. 24 b. 34 d. 50 C. 44 38. How many grams of hydrogen are there in 2.5 g of water? b. 0.28 g a. 3.5 g c. 0.95 g d. 2.22 g 39-40. Consider the chemical equation below 2 C.H +50 (MW: C H, 26: 0. = 32; CO, = 44, H.O 18) 1CO, +2 H.O 39. Calculate the
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