Dilute NaOH is introduced into a solution that is 0.050 M in Cu2+ and 0.040 M in Mn2+.
(a) Which hydroxide precipitates first?
(b) What OH- concentration is needed to initiate precipitation of the first hydroxide?
(c) What is the concentration of the cation forming the less soluble hydroxide when the more soluble hydroxide begins to form?
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