The vapor in equilibrium above a hexane-pentane solution at 25°C has a mole fraction of hexane equal to 0.65 at 25°C. The vapor pressures of hexane and pentane at 25°C are 150 and 511 torr respectively. What is the mole fraction of hexane in the solution?

Chemistry: Principles and Practice
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Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Chapter12: Solutions
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Problem 12.85QE
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The vapor in equilibrium above a hexane-pentane solution at 25°C has a mole fraction of hexane equal to 0.65 at 25°C. The vapor pressures of hexane and pentane at 25°C are 150 and 511 torr respectively. What is the mole fraction of hexane in the solution?
 
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