At a given temperature, pentane with a vapor pressure of 624 torr is mixed with hexane with a vapor pressure of 437 torr. In the solution, the mole fraction of pentane is 0.3 and the mole fraction of hexane is 0.7. Which of the following is true about the mole fraction of pentane in the vapor?

Chemistry: Principles and Practice
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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
Chapter12: Solutions
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Problem 12.83QE
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At a given temperature, pentane with a vapor pressure of 624 torr
is mixed with hexane with a vapor pressure of 437 torr. In the
solution, the mole fraction of pentane is 0.3 and the mole fraction
of hexane is 0.7. Which of the following is true about the mole
fraction of pentane in the vapor?
It is greater than 0.3
It is less than 0.3
It is equal to 0.3
(b)
Transcribed Image Text:At a given temperature, pentane with a vapor pressure of 624 torr is mixed with hexane with a vapor pressure of 437 torr. In the solution, the mole fraction of pentane is 0.3 and the mole fraction of hexane is 0.7. Which of the following is true about the mole fraction of pentane in the vapor? It is greater than 0.3 It is less than 0.3 It is equal to 0.3 (b)
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