A solution is 0.200 M in Co2+ and 0.0650 M in Cd2+ . Calculate
(a) the Co2+ concentration in the solution as the first cadmium starts to deposit.
(b) the cathode potential needed to lower the Co21 concentration to 1.00 × 1025 M.
(c) based on (a) and (b) above, can Co21 be quantitatively separated from Cd21 ?
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