Chose the letter of the correct answer from the choices 31. The empinical formula of C6H12O6 isb. CH20a. СНОd. CHO232. What is the molecular weight of potassium permanganate, KMNO4 in g/molc. C3H20С. 15833. A compound with a composition of 87.5% N and 12.5% H was recently discovered. Whia. 70b. 88d. 110empirical fomula of this compound?b. NH2C. NH334. Study of the quantitative relationships of substances involved in the reaction isa. N,H,d. NHa chemical equationb. balancing equation c. stoichiometry d. chemical reaction35. The number 6.022 x 1023 is the number of particles present in exactly 12-g of carbon is knowd. 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 10b. 8.21 x 10c. 1.00 x 103 d. 6.022 x 1023a.37.1 mole of CO, is equal tograms.a. 24b. 34d. 50C. 4438. How many grams of hydrogen are there in 2.5 g of water?b. 0.28 ga. 3.5 gc. 0.95 gd. 2.22 g39-40. Consider the chemical equation below2 C.H +50(MW: C H, 26: 0. = 32; CO, = 44, H.O 18)1CO, +2 H.O39. Calculate the

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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 In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter4: Molecules, Compounds, And Chemical Reactions

Section: Chapter Questions

Problem 6SC

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