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4. A solution contains 50.0g of heptane (C7H16) and 50.0g of octane (C8H20) at 25C. The vapor pressures of pure heptane and pure octane at

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4. A solution contains 50.0g of heptane (C7H16) and 50.0g of octane (C8H20) at 25C. The vapor pressures of pure heptane and pure octane at this temperature are 45.8 Torr and 14.1 Torr, respectively. Assuming ideal behavior, calculate the following characteristics: a. Vapor pressure of each of the solution components in the mixture b. Total pressure above the solution c. Composition of the vapor in mass percent

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