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 ________________? August 22, 2021February 14, 2019 by admin In gas-liquid contact operation, the number of ideal stages, N = (xa – xb)/(xb – x*b). This is true when the stripg factor ‘S’ is ________________? A. S > 1 B. S < 1 C. S = 1 D. S = ∞