Biphenyl, C12H10 (molar mass = 154.22 g/mol), is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6 (molar mass = 78.12 g/mol). At 25 C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure, in torr, of a solution made from dissolving 16.4 g of biphenyl in 31.3 g of benzene? Vapor pressure : torr.