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., 200kg of an aqueous solution containing 15% by weight of acetone is extracted by using pure mono-chlorobenzene (MCB). It is found that water and mono-chlorobenzene are essentially insoluble to each other. Determine (i) Percentage extraction of acetone in a single stage extraction operation using 300kg of MCB. (ii) Percentage extraction of acetone if the operation is carried out in three stages using 100 kg of fresh MCB in each stage. Equilibrium data is given below