Ethanol and water are separated in an atmospheric pressure distillation column,using a retailer and a title condenser. Assume the reflux is added to the column as a saturated liquid. The feed to the unit is saturated liquid,25 mass% ethanol in water, and the product should be 90 mass% ethanol, with 95% recovery of ethanol. The reflux ratio should be 1.4 times the minimum reflux ratio.Determine the number of stages in the column,assuming an overall stage efficiency of 60%, the actual feed stage location, and streams flow rate in the top and bottom section of the column. What is the maximum ethanol compositions possible (as a mass fraction) in the top product?