The expression, y(1 - x)/x(1 - y) is for

1.	The expression, y(1 - x)/x(1 - y) is for
A.	absorption factor
B.	relative volatility
C.	selectivity
D.	Murphree efficiency
Answer» C. selectivity

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The expression, y(1 - x)/x(1 - y) is for

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