Chemical Engineering > GATE 2021 > Distillation
A distillation column handling a binary mixture of A and B is operating at total reflux. It has two ideal stages including the reboiler. The mole fraction of the more volatile component in the residue (xW) is 0.1. The average relative volatility αAB is 4. The mole fraction of A in the distillate (xD) is _______ (round off to 2 decimal places).
Correct : 0.64
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