A sample of hydrogen gas was collected over water at 21°C and 685 mm Hg. The volume of the collected gas was 7.80 L. Calculate the mass of H2(g) collected. (Vapor pressure of water = 18.6 mm Hg at 21°C.) a) 0.589 gb) 7.14 g c) 0.283 gd) 435 ge) 0.571 g

The combined relation between gas laws is known as the ideal gas law or the gas equation. The…

Answered: A sample of hydrogen gas was collected…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter6: The Gaseous State

Section: Chapter Questions

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A sample of hydrogen gas was collected over water at 21°C and 685 mm Hg. The volume of the collected gas was 7.80 L. Calculate the mass of H₂(g) collected. (Vapor pressure of water = 18.6 mm Hg at 21°C.)

a) 0.589 g

b) 7.14 g

c) 0.283 g

d) 435 g

e) 0.571 g

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