A solution contains 1 30 10 2 M potassium sulfide and 1 12 10 2 M sodium hydroxide Solid manganese II acetate is added slowly to

Question

A solution contains 1 30 10 2 M potassium sulfide and 1 12 10 2 M sodium hydroxide Solid manganese II acetate is added slowly to this mixture A What is the formula of the substance that precipitates first formula B What is the concentration of manganese II ion when this precipitation first begins Mn M

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