Consider a Solution Containing Liquids a and B Where the Mole

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