Consider a Solution Containing Liquids a and B Where the Mole

question 70

Multiple Choice

Consider a solution containing liquids A and B where the mole fraction of B is 0.60.Assuming ideality,calculate the mole fraction of B in the vapor at equilibrium with this solution at 25°C.(The vapor pressures of pure liquid A and B at 25°C are 129.4 torr and 400.0 torr,respectively. )

• A)0.18
• B)0.22
• C)0.33
• D)0.78
• E)0.82

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