Suppose no mmol of solute A in Vaq mL of aqueous solution is extracted with Vorg mL of an immiscible organic solvent. At equilibrium, n mmol of A will remain in the aqueous layer and (no-ni)mmol will have been transferred to the organic layer.
Show that the concentration of A remaining in the aqueous solution after i extraction with the immiscible organic solvent ([A]i) is [A]i=(Vaq /Vorgk +Vaq )i [A]o
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