You are separating a mixture of ethyl acetate and ethanol in a flash drum at 1 atm pressure. A. The feed flow rate is 100kmol/hr and contains 60mol% ethyl acetate and 40% of the feed is vaporized. Determine the liquid and vapour mole fractions and the flow rates. B. If the feed is 40mol% ethyl acetate and we aim to obtain a liquid product with 25mol% ethyl acetate, what fraction of vaporization should be used