One thousand kg/h of a 45 wt% acetone-in-water solution is to be extracted at 25c in a continuous, countercurrent system with pure 1,1,2-trichloroethane to obtain a raffinate containing 10 wt%acetone. using the following equilibrium data, determine with an equilateral-triangle diagram: (a) the minimum flow rate of solvent; (b) the number of stages required for a solvent rate equal to 1.5times minimum; (c) the flow rate and composition of each streamleaving each stage.. table 1 is for extractacetone weight fraction water weight fraction trichloroethane weight fraction0.60 0.13 0.270.50 0.04 0.460.40 0.03 0.570.30 0.02 0.680.20 0.015 0.7850.10 0.01 0.89table 2 for raffinateacetone w. f water w. f tce w. f0.55 0.35 0.100.50 0.43 0.070.40 0.57 0.030.30 0.68 0.020.20 0.79 0.010.10 0.895 0.005tie line dataraffinate w. f acetone extract w. f acetone0.44 0.560.29 0.400.12 0.18