80. Solving a chemistry problem
6. Determine the concentration of benzoic acid in water after 2-fold extraction with diethyl ether. The initial concentration of benzoic acid is 0.02 mol/l, the volume of the solution is 2 l, the volume of diethyl ether is 0.4 l. The partition coefficient of benzoic acid between water and diethyl ether is 0.0110.
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