5. Determine the degree of extraction R1 Rm of tin (IV) cupferonate and the residual concentration in the aqueous phase at pH 2 from V in ml of an aqueous solution m-fold shaking with V0 ml of benzene, if the distribution coefficient D = 350, and the initial concentration C0 in mol/l:
Option 1
Vв, ml V0, ml m с0, mol/l
10 2.0 1 0.2

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