Question

Elsa mixes 0.256 mol of benzene (78.11 g/mol) with 50.00 g of cyclohexane (84.16 g/mol) at 15°C. The vapor pressure of pure benzene is 47.89 torr at 15°C. and the vapor pressure of pure cyclohexane is 39.96 torr at 15°C. Calculate the total vapor pressure of the solution at 15°C (in torr).