A Mixture of Benzene and Toluene Has a Total Vapor

question 79

Multiple Choice

A mixture of benzene and toluene has a total vapor pressure at 25 °C of 45.06 mmHg.What is the partial pressure of benzene in this solution? The vapor pressure of pure benzene and pure toluene at 25 °C are 95.03 mmHg and 28.40 mmHg respectively.

• A)0.7500 mmHg
• B)23.76 mmHg
• C)0.3217 mmHg
• D)21.30 mmHg
• E)16.66 mmHg

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