100 kmol/h of a binary mixture of 40 mol% A (the light component) and 60 mol% B (the heavy component) is to be distilled in a packed tower at 1.0 atm. The distillate contains 95 mol% A and the bottoms contains 5 mol% A. The feed enters the tower as saturated vapor and the reflux ratio R = 3:1 is used. The values of HTUov at the flow conditions in rectifying and stripping sections are 1.2 m and 1.0 m respectively. The equilibrium data at 1.0 atm are given below. Assume there is no resistance in the liquid phase to the mass transfer (a) Calculate the molar flow rates of distillate and bottoms. (b) Calculate the height of rectifying and stripping sections and the total height of the tower. X1 0.00 JA 0.00 0.10 0.23 0.20 0.38 0.30 0.51 0.50 0.71 0.60 0.78 0.70 0.86 0.80 0.92 0.90 0.97 1.00 1.00