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Hydrogen was collected over water at 21.4°C on a day when the atmospheric pressure was 741 Torr. the volume of the gas sample collected was 254 mL. The vapor pressure of water at 21.4°C is 19.11 Torr. c. What is the mole fraction of hydrogen in the moist gas mixture? d. What would be tha mass of the gas sample if it were dry?

Hydrogen was collected over water at 21.4°C on a day when the atmospheric pressure was 741 Torr. the volume of the gas sample collected was 254 mL. The vapor pressure of water at 21.4°C is 19.11 Torr. c. What is the mole fraction of hydrogen in the moist gas mixture? d. What would be tha mass of the gas sample if it were dry?

Chemistry
Chemistry
9th Edition
ISBN:9781133611097
Author:Steven S. Zumdahl
Publisher:Steven S. Zumdahl
Chapter5: Gases
Section: Chapter Questions
Problem 156CP
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Hydrogen was collected over water at 21.4°C on a day when the atmospheric pressure was 741 Torr. the volume of the gas sample collected was 254 mL. The vapor pressure of water at 21.4°C is 19.11 Torr. c. What is the mole fraction of hydrogen in the moist gas mixture? d. What would be the mass of the gas sample if it were dry?
Transcribed Image Text:Hydrogen was collected over water at 21.4°C on a day when the atmospheric pressure was 741 Torr. the volume of the gas sample collected was 254 mL. The vapor pressure of water at 21.4°C is 19.11 Torr. c. What is the mole fraction of hydrogen in the moist gas mixture? d. What would be the mass of the gas sample if it were dry?
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