1- A solution contains 6.14x10-³ M potassium iodide and 1.05x10-2 M ammonium cyanide. Solid silver nitrate is added slowly to this mixture. What is the concentration of cyanide ion when iodide ion begins to precipitate? [cyanide] = - M

Chemistry: The Molecular Science
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Chapter15: Additional Aqueous Equilibria
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1- A solution contains 6.14x10-³ M potassium iodide and 1.05x10-2 M ammonium cyanide.
Solid silver nitrate is added slowly to this mixture.What is the concentration of cyanide ion when iodide ion begins to
precipitate?
[cyanide] =
M
2-A solution contains 1.25x10-2 M silver acetate and 7.62x10-3 M zinc nitrate.
Solid potassium cyanide is added slowly to this mixture. What is the concentration of silver ion when zinc ion begins to
precipitate?
[Ag*] =
M
Transcribed Image Text:1- A solution contains 6.14x10-³ M potassium iodide and 1.05x10-2 M ammonium cyanide. Solid silver nitrate is added slowly to this mixture.What is the concentration of cyanide ion when iodide ion begins to precipitate? [cyanide] = M 2-A solution contains 1.25x10-2 M silver acetate and 7.62x10-3 M zinc nitrate. Solid potassium cyanide is added slowly to this mixture. What is the concentration of silver ion when zinc ion begins to precipitate? [Ag*] = M
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