(3) For the acetone (1)/methanol (2) system a vapor mixture for which Z1=0.25 and Z2=0.75 is cooled to temperature T in the two-phase region and flows into a separation chamber at a pressure of 100kPa. If the composition of the liquid product is to be x1=0.20, determine the following: a) The required value of T b) The mole fraction of methanol in the vapor. 1 For the liquid mixture of this system, the activity coefficients are given by the following equations: ln1=0.62x22ln2=0.62x12