Question: A mixture at the rate of 200 kmole/hr is to be separated by distillation. The feed contains 10 mole % propane, 45 mole% n-butane, 40 mole% n-pentane and the balance n-hexane. It is desired to obtain a distillate stream containing no more than 4 mole% n-pentane and a bottoms stream containing no more than 2 mole% n-butane.a) Sketch the diagram and show all streams?Time[5]b) Determine the flows and compositions of the distillate and bottoms product[10]c) Determine the recoveries of the key components. As the specifications are given on n-butane and n-pentane, these are respectively the light and heavy keys. So the propane is the light light key (LLK) and all goes to the distillate and the n-hexane is heavy heavy key (HHK).