Problem

Cadmium(II) chloride is added to a solution of potassium hydroxide with a pH of 9.62....

Cadmium(II) chloride is added to a solution of potassium hydroxide with a pH of 9.62.

(a) At what concentration of Cd²⁺ does a precipitate first start to form?

(b) Enough cadmium(II) chloride is added to make [Cd²⁺] = 0.0013 M. What is the pH of the resulting solution?

(c) What percentage of the original hydroxide ion is left in solution?

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Solutions For Problems in Chapter 15

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