Heptane (C7H16) and Octane (C8H18) form an ideal solution. At 40C the vapor pressure of pure heptane is 0.522 atm, and the vapor pressure of pure octane is 0.238 atm. A solution is made of 5.32 g of heptane and 8.80 g of octane. Calculate the mole fraction of octane in the vapor at this temperature.

Chemistry: The Molecular Science
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Chapter13: The Chemistry Of Solutes And Solutions
Section13.7: Colligative Properties Of Solutions
Problem 13.10PSP: The vapor pressure of an aqueous solution of urea. CH4N2O, is 291.2 mmHg at a measured temperature....
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Heptane (C7H16) and Octane (C8H18) form an ideal solution. At 40C the vapor pressure of pure heptane is 0.522 atm, and the vapor pressure of pure octane is 0.238 atm. A solution is made of 5.32 g of heptane and 8.80 g of octane. Calculate the mole fraction of octane in the vapor at this temperature.

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