At a Given Temperature the Vapor Pressures of Benzene and Toluene

question 162

Multiple Choice

At a given temperature the vapor pressures of benzene and toluene are 183 mm Hg and 59.2 mm Hg,respectively.Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with X_benzene = 0.600.

• A)0.600
• B)0.678
• C)0.756
• D)0.823

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