Benzene and toluene from nearly ideal solutions. At `20^@C`, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The partial vapour pressure of benzene at `20^@C` for a solution containing 78 g of benzene and 46 g of toluene in torr is

Options

A. 50
B. 25
C. 37.5
D. 53.5

Answer

A