the vapor pressure of this solution

Chemistry: Principles and Practice
3rd Edition
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
Section: Chapter Questions
Problem 12.86QE
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Pentane, C,H,2, and hexane, C,H4 combine to form an ideal solution. When
0.2759 g of this liquid is combusted with excess oxygen, 0.8339 g of CO,
14'
is
formed. Calculate the composition (by mass) of the original mixture of hexane
and propane. The vapor pressures of pentane and hexane are 511 and 150. torr,
respectively. What is the vapor pressure of this solution? What is the mole
fraction of pentane in the vapor that is in equilibrium with this solution?
Transcribed Image Text:Pentane, C,H,2, and hexane, C,H4 combine to form an ideal solution. When 0.2759 g of this liquid is combusted with excess oxygen, 0.8339 g of CO, 14' is formed. Calculate the composition (by mass) of the original mixture of hexane and propane. The vapor pressures of pentane and hexane are 511 and 150. torr, respectively. What is the vapor pressure of this solution? What is the mole fraction of pentane in the vapor that is in equilibrium with this solution?
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