At 365 K, pure toluene and hexane have vapor pressures of 5.82 x 10^4 Pa and 1.99 x 10^5 Pa, respectively. a. Calculate the mole fraction of hexane in the liquid mixture that boils at 365 K at a pressure of 1140 Torr. b. Calculate the mole fraction of hexane in the vapor that is in equilibrium with the liquid of part (a).