When benzene is used to dry 95% (by weight) ethanol, two azeotropes are involved: a ternary azeotrope (bp 65) containing 74% by weight benzene, 18.5% ethanol, and 7.5% water, and a binary azeotrope (bp 68) consisting of 68% benzene and 32% ethanol. assuming a safety factor of 10% excess, calculate the amount of benzene needed to dry 1 kg of 95% ethanol. how much absolute ethanol would be obtained?