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Cory Yeung Cory Yeung
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3 years ago
The vapor pressures of pure hexane and pure heptane at 25 °C are 151.4 mmHg and 45.62 mmHg respectively. A solution contains 0.800 mol fraction n-hexane and 0.200 mol fraction n-heptane. What is the composition of the vapor in equilibrium with this solution at 25 °C?

▸ 80.0% hexane, 20.0% heptane

▸ 50.0% hexane, 50.0% heptane

▸ 77.0% hexane, 23.0% heptane

▸ 45.0% hexane, 55.0% heptane

▸ 93.0% hexane, 7.0% heptane
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
Authors:
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RezoVIIIRezoVIII
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#2
2 years ago
The vapor pressures of pure hexane and pure heptane at 25 °C are 151.4 mmHg and 45.62 mmHg respectively. An ideal solution contains 0.700 mol fraction hexane and 0.300 mol fraction heptane. What is the composition of the vapor in equilibrium with this solution at 25 °C?
Woo
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#3
2 years ago
Quote from: dhelgeso (2 years ago)
The vapor pressures of pure hexane and pure heptane at 25 °C are 151.4 mmHg and 45.62 mmHg respectively. An ideal solution contains 0.700 mol fraction hexane and 0.300 mol fraction heptane. What is the composition of the vapor in equilibrium with this solution at 25 °C?
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#4
A year ago
This is really helpful.
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#5
2 months ago Edited: 2 months ago, Yujin Wang
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