Hydrogen gas is produced by the reaction of hydrochloric acid, HCl, on zinc metal. 2HCl(aq) + Zn(s) → ZnCl₂(aq) + H₂(g) The gas is collected over water. If 152 mL of gas is collected at 19°C and 768 torr total pressure, what is the mass of hydrogen collected? The vapor pressure of water at 19°C is 16.5 torr. HOW DO WE GET THERE? What is the partial pressure of hydrogen present? (The vapor pressure of water at 19°C is 16.5 torr.)
Hydrogen gas is produced by the reaction of hydrochloric acid, HCl, on zinc metal. 2HCl(aq) + Zn(s) → ZnCl₂(aq) + H₂(g) The gas is collected over water. If 152 mL of gas is collected at 19°C and 768 torr total pressure, what is the mass of hydrogen collected? The vapor pressure of water at 19°C is 16.5 torr. HOW DO WE GET THERE? What is the partial pressure of hydrogen present? (The vapor pressure of water at 19°C is 16.5 torr.)
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter8: Gases
Section: Chapter Questions
Problem 152CP: A mixture of chromium and zinc weighing 0.362 g was reacted with an excess of hydrochloric acid....
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