hexane and cyclohexane for an ideal solution. the vapor pressure of hexane is 151 torr and that of cyclohexane is 98 torr at 25C. calculate the vapor pressure of each of the following solutions and teh mole fraction of each of teh substance in the vapor phase above those solutions at 25C: a)0.25 mol hexane mixed with .065 more of cyclohexane; b) 10.0g of hexane mixed with 10.0 g of cyclohexane