Given That the Vapor Pressure of Pure N-Hexane and Pure

question 111

Multiple Choice

Given that the vapor pressure of pure n-hexane and pure n-heptane at 25 °C are 151.4 mmHg and 45.62 mmHg respectively,calculate the total vapor pressure above a solution containing only n-hexane and n-heptane in which the mole fraction of n-hexane is 0.600.

• A)87.9 mmHg
• B)197 mmHg
• C)106 mmHg
• D)109 mmHg
• E)170 mmHg

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