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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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Using Dalton's law, calculate the pressure of the hydrogen gas in atm

Transcribed Image Text:**Title: Collecting Hydrogen Gas over Water**
**Experiment Overview:**
In this experiment, a chemist collects 2.00 liters of hydrogen gas by utilizing the method known as "over water." The conditions for this collection are set at a pressure of 1.00 atm and a temperature of 298.15 K.
**Concept Explanation:**
- **'Over Water' Collection Method:**
- The phrase "over water" describes a technique where gas is gathered by bubbling it into an inverted container submerged in a water bath.
- The contained gas displaces the water, allowing it to be trapped within the inverted bottle.
**Important Considerations:**
- The gathered gas is saturated with water vapor due to the presence of water in the setup.
- At the specified temperature of 298.15 K, the partial pressure of the water vapor is 0.0300 atm.
This method is valuable for obtaining gases in laboratory settings, though it is essential to account for the water vapor's partial pressure when calculating the collected gas's properties.
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