Please explanation steps and laws 2. A mixture of ethanol and water containing 0.45 mole fraction of alcohol is to be continuously find (1kg/s) to distillation column to give a top product of 0.825...

Please explanation steps and laws 2. A mixture of ethanol and water containing 0.45 mole fraction of alcohol is to be continuously find (1kg/s) to distillation column to give a top product of 0.825 mole fraction alcohol and a liquor at the bottom containing 0.05 mole fraction alcohol. 1. Make external mass and energy balances and find all unknowns? 2. find the concentration of liquid and vaper phases leaving the third plate.?