Data for a distillation with a total condenser and partial reboiler are given in the diagram. a. Find three pairs of mole fractions for calculating the number of overall liquid phase transfer units, one near the bottom of the column, one near the feed, and another near the top of the column. b. State the limits of integration for the number of overall liquid phase transfer units in the stripping section of the column. c. State the limits of integration for the number of overall liquid phase transfer units in the rectifying section of the column. Rinare Nictillation with tha Mrrahn Thiola Mathnd