1. A mixture of 50% (by weight) ethanol and 50% water at the boiling point is distilled at a pressure of 101.3 kPa. The distillate contains 85% (by weight) of ethanol and the bottom product contains 3% (by weight) of ethanol. The feed is 453.9 kg/hour and the reflux ratio is 1.5. A. Calculate distillate and bottom product B. Calculate the number of trays needed

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