An equimolar mixture of benzene $(1),$ toluene $(2),$ and ethylbenzene $(3)$ is fed to a flash drum, which has been set at $110\backslash$deg C and $90$ kPa. calculate the fraction of the feed that has been vaporized and the molar composition of both the liquid and the vapor fractions $.$ An equimolar mixture of benzene $(1),$ toluene $(2),$ and ethylbenzene $(3)$ is fed to a flash drum, which has been set at $110\backslash$deg C and $90$ kPa. $,$ Calculate the fraction of the feed that has been vaporized and the molar composition of both the liquid and the vapor fractions. Assume Raoult's law applies