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One thousand kgh of an aqueous solution containing 40 acetone is to be extracted in a countercurrent multistage unit with 1,1,2 trichloroethane at 298K to

One thousand kgh of an aqueous solution containing 40 acetone is to be extracted in a countercurrent multistage unit with 1,1,2 trichloroethane at 298K to reduce the acetone content to 13 The equilibrium data for the system trichloroethanewateracetone are given below

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