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A solution contains 0.17 M potassium cyanide and 0.17 M sodium hydroxide. Solid nickel(II) nitrate is...

A solution contains 0.17 M potassium cyanide and 0.17 M sodium hydroxide. Solid nickel(II) nitrate is added slowly to this mixture. What ionic compound precipitates first from the solution? Solubility product constant data is found in the Chemistry References.

Formula of first precipitate =

Hint: It is not necessary to do a calculation here.

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