A Solution Is 40

question 122

Multiple Choice

A solution is 40.0% by mass benzene (C₆H₆) in carbon tetrachloride (CCl₄) at 20°C.The vapor pressure of pure benzene and pure carbon tetrachloride at this temperature is 74.61 mmHg and 91.32 mmHg, respectively.Calculate the vapor pressure of the solution at 20°C:

• A)66.4 mmHg
• B)73.8 mmHg
• C)81.8 mmHg
• D)83.0 mmHg
• E)84.6 mmHg

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