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Suppose a sample of helium gas at 45.0 °C sealed in a flask at a pressure of 5.63 atm was found to be contaminated by water. The gas was filtered through a cartridge containing a desiccant to remove the water and the dried gas was returned to the same flask with the temperature brought down to 25.0 °C. What was the mole fraction of water in the contaminated sample if the pressure of the dried gas at 25.0 °C was 5.23 atm?

Suppose a sample of helium gas at 45.0 °C sealed in a flask at a pressure of 5.63 atm was found to be contaminated by water. The gas was filtered through a cartridge containing a desiccant to remove the water and the dried gas was returned to the same flask with the temperature brought down to 25.0 °C. What was the mole fraction of water in the contaminated sample if the pressure of the dried gas at 25.0 °C was 5.23 atm?

Chemistry: Matter and Change
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter13: Gases
Section: Chapter Questions
Problem 96A
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Suppose a sample of helium gas at 45.0 °C sealed in a flask at a pressure of 5.63 atm was found to be contaminated by water. The gas was filtered through a cartridge containing a desiccant to remove the water and the dried gas was returned to the same flask with the temperature brought down to 25.0 °C. What was the mole fraction of water in the contaminated sample if the pressure of the dried gas at 25.0 °C was 5.23 atm?
Transcribed Image Text:Suppose a sample of helium gas at 45.0 °C sealed in a flask at a pressure of 5.63 atm was found to be contaminated by water. The gas was filtered through a cartridge containing a desiccant to remove the water and the dried gas was returned to the same flask with the temperature brought down to 25.0 °C. What was the mole fraction of water in the contaminated sample if the pressure of the dried gas at 25.0 °C was 5.23 atm?
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