2. (S0 total points) A distillation colunn is to be designed to opcrate at 1 atm pressure with total condenser and total reboiler for separating acetone from ethanol: thermodynamic diagrams for acenecthaoi mixtres at a pressure of atm, plotted in terms of the acctone mole fractions: are provided bclow a) 25 pts For a saturated liquid teed of 50 mol% acetone at 5000 kg moles/hr and separation specifications of i) distillate acetone iraction of 95 mol% and ii) a bottoms acetone fraction of 5%, given an external reflux ratio of Lo D 4: al) Sketch and labei the process lowhee 10 points) a2) Find N, number of cquilibrium contacts stages to perform the separation: 5 poims) a3) the optium feed stage: (5 points) a4) estimate the value of (D5 points)