A100 mol/h of feed mixture with 20% pentane, 25% hexane, 30% heptane and 25% octane is to be distilled in a single column to an overall distillate product that contains no more than 2 mol/h of heptane and the bottom product that contains a maximum of 1.5 mol/h of hexane. Calculate the distillate and bottoms mole fraction, XDi and XBi, for all other components.
As per Given data and information in the above question:-
Pentane will only available in Distillate as it's boiling point is the lowest among all and Octane will only be available at the bottom as it's boiling point is maximum among all.
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