1. Given the molar flow rate of a mixture entering the distillation column at 150 mol/min. It is known that the inlet mixture of A (MW 20.0) and B (MW 40.0) consists of 40 mole% A. The product streams leave at the top and the bottom of the distillation column. The flow rate of the bottom stream is measured and found to be 70 mol/min, and the overhead stream is analyzed and found to contain 50.0 mol% of B. Draw and label a flowchart of the process. b. Calculate all unknown molar flow rates in the process flow diagram Determine the mass fractions of A and B in both bottom and overhead stream. a. c