Consider the extraction of 100.0 mL of M2+ (aq) by 2.0 mL of 1 10-5 M

Question:

Consider the extraction of 100.0 mL of M2+ (aq) by 2.0 mL of 1 × 10-5 M dithizone in CHCl3, for which KL = 1.1 × 104, KM = 7 × 104, Ka = 3 × 10-5, β = 5 × 1018, and n = 2.
(a) Derive an expression for the fraction of metal ion extracted into the organic phase, in terms of the coefficient and volumes of the two phases.
(b) Prepare a graph of the percentage of metal ion extracted over the pH range 0 to 5.
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