In gas-liquid contact operation, the number of ideal stages, N = (xa - – McqOptions

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1.	In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b). This is true when the stripping factor 'S' is
A.	S > 1
B.	S < 1
C.	S = 1
D.	S = ∞
Answer» B. S < 1

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