At a Given Temperature,the Vapor Pressures of Hexane and Octane

question 143

Multiple Choice

At a given temperature,the vapor pressures of hexane and octane are 183 mm Hg and 59.2 mm Hg,respectively.Calculate the total vapor pressure over a solution of hexane and octane.The mole fraction of hexane (X_hexane) is 0.580.

• A) 106 mm Hg
• B) 121 mm Hg
• C) 131 mm Hg
• D) 242 mm Hg

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