Mass Transfer
According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn.

8
10
6
12

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Mass Transfer
In case of an absorber, the operating

Velocity is more than the loading velocity
Line always lies above the equilibrium curve
Line always lies below the equilibrium curve
Line can be either above or below the equilibrium curve

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