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
6
10
12

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Mass Transfer
The McCabe Δ L law states that the

Linear crystal growth rate does not depend on the crystal size
Linear crystal growth rate depends on the crystal size
Molar heats of vaporisation of components are nearly equal
Linear crystal growth rate depends on the degree of supersaturation

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