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A countercurrent absorber is being used to recover solute A from a gas mixture. by an industrial company as a gas scrubber. The concentration of

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A countercurrent absorber is being used to recover solute A from a gas mixture. by an industrial company as a gas scrubber. The concentration of A is to be reduced from 0.285 to 0.05 by contacting the gas with a pure solvent. The equilibrium concentrations are related by YA=4xA Determine the number of stages if the ratio of the actual Ls/Gs is 1.2 the minimum Ls/Gs

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