an equimolar saturated liqud -saturated vapor mixture containing 35%A , 65% B in moles at a flow rate of 100 kmol /h will be separated by distillation. it is desired that 93% of A is present in the top product and 96% of the A entering the column is in the top product f the reflux ratio in the column is 4 and the relative volatility alfa=2 determinethe given below; a) theoretcal nuber of plates and feed plate b)top and bottom product flow rates c) minimum reflux rato d)mnmum number of plates