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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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
Transcribed Image Text:Water Vapor Pressure Table
Gases produced by a chemical reaction can easily be collected over water. To determine the pressure of the dry gas,
the vapor pressure of the water at that temperature must be subtracted from the total pressure.
1) Consider the following reaction:
Mg(s) + 2HCl(aq) - → MgCl₂(aq) + H₂(g)
The total pressure of gas collected over water is 725.0 mmHg and the temperature is 18.0°C What is the pressure of
hydrogen gas formed in mmHg?
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