A solution is prepared by mixing 0.0500 mole CH2Cl2 and 0.100 mole CH2Br2 at 25 oC. Assume this is an ideal solution. At 25 oC, the vapor pressures of pure CH2Cl2 and pure CH2Br2 are 133 and 11.4 torr, respectively. What is the vapor pressure of the solution? What is the mole fraction of CH2Cl2 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
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Chapter12: Solutions
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Problem 12.85QE
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A solution is prepared by mixing 0.0500 mole CH2Cl2 and 0.100 mole CH2Br2 at 25 oC. Assume this is an ideal solution. At 25 oC, the vapor pressures of pure CH2Cl2 and pure CH2Br2 are 133 and 11.4 torr, respectively.

    1. What is the vapor pressure of the solution?

    2. What is the mole fraction of CH2Cl2 in the vapor?

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