Batch Distillation -methanol & isopropyl alcohol. A 1000 kgmole mixture of 87.3% methanol in isopropyl alcohol is distilled at 1 atm by differential distillation until 90% of the material charged to the still has vaporized. What is the composition of the liquid residue in the still-pot and the composition of the collected distillate? isopropyl Volatile methanol Temp alcohol Component Pvp (mmHg) Pvp (mmHg) (C) 764.2 360.3 64.65 1.000 1.000 782.0 370.0 65.24 0.957 0.979 800.2 379.8 65.82 0.914 0.957 818.7 389.9 66.41 0.873 0.935 837.5 400.2 67.00 0.832 0.912 856.8 410.7 67.58 0.792 0.888 876.4 421.4 68.17 0.753 0.864 896.3 432.4 68.76 0.715 0.839 916.7 443.6 69.34 0.678 0.813 937.4 455.1 69.93 0.641 0.786 958.5 466.8 70.52 0.605 0.759 980.0 478.8 71.10 0.569 0.730 1001.9 491.0 71.69 0.535 0.701 1024.2 503.5 72.28 0.501 0.671 1046.9 516.3 72.86 0.467 0.640 1070.1 529.3 73.45 0.434 0.608 1093.6 542.6 74.04 0.402 0.575 1117.6 556.2 74.62 0.370 0.542 1142.0 570.0 75.21 0.339 0.507 1166.9 584.2 75.80 0.309 0.472 1192.2 598.6 76.38 0.279 0.435 1217.9 613.4 76.97 0.249 0.398 1244.1 628.4 77.56 0.220 0.359 1270.8 643.8 78.14 0.192 0.319 1297.9 659.4 78.73 0.164 0.279 1325.6 675.4 79.32 0.137 0.237 1353.7 691.7 79.90 0.109 0.194 1382.2 708.4 80.49 0.083 0.150 1411.3 725.3 81.08 0.057 0.105 1440.9 742.6 81.66 0.031 0.058 1471.0 760.3 82.25 0.006 0.011 1471.0 760.3 82.25 0.000 0.000