3. 1986 B Three volatile compounds X, Y, and Z each contain element Q. The percent by weight of element Q in each compound was determined. Some of the data obtained are given below. Percent by Weight of Element Q Compound Molecular Weight 64.8% Y 73.0% 104. Z 59.3% 64.0 The vapor density of compound X at 27°C and 750. mm Hg was determined to be 3.53 grams per litre. Calculate the molecular weight of compound X. Determine the mass of element Q contained in 1.00 mole of each of the three compounds. Calculate the most probable value of the atomic weight of element Q. Compound Z contains carbon, hydrogen, and element Q. When 1.00 gram of compound Z is oxidized and all of the carbon and hydrogen are converted to oxides, 1.37 grams of CO, and 0.281 gram of water are produced. Determine the most probable molecular formula of compound Z. а. b. с. d.

3. 1986 B Three volatile compounds X, Y, and Z each contain element Q. The percent by weight of element Q in each compound was determined. Some of the data obtained are given below. Percent by Weight of Element Q Compound Molecular Weight 64.8% Y 73.0% 104. Z 59.3% 64.0 The vapor density of compound X at 27°C and 750. mm Hg was determined to be 3.53 grams per litre. Calculate the molecular weight of compound X. Determine the mass of element Q contained in 1.00 mole of each of the three compounds. Calculate the most probable value of the atomic weight of element Q. Compound Z contains carbon, hydrogen, and element Q. When 1.00 gram of compound Z is oxidized and all of the carbon and hydrogen are converted to oxides, 1.37 grams of CO, and 0.281 gram of water are produced. Determine the most probable molecular formula of compound Z. а. b. с. d.

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter20: Chemistry Of The Metals

Section: Chapter Questions

Problem 36QAP: A 0.500-g sample of zinc-copper alloy was treated with dilute hydrochloric acid. The hydrogen gas...

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