A solution contains 1.04×10-2 M potassium hydroxide and 9.78×10-3 M potassium carbonate. Solid cobalt(II) nitrate is added slowly to this mixture.
A solution contains 1.04×10-2 M potassium hydroxide and 9.78×10-3 M potassium carbonate.
Solid cobalt(II) nitrate is added slowly to this mixture.
What is the concentration of hydroxide ion when carbonate ion begins to precipitate?
[hydroxide] = ?M
A solution contains 7.08×10-3 M potassium hydroxide and 1.42×10-2 M ammonium sulfate.
Solid calcium nitrate is added slowly to this mixture.
What is the concentration of sulfate ion when hydroxide ion begins to precipitate?
[sulfate] = ?M
A solution contains 1.16×10-2 M silver nitrate and 1.23×10-2 M lead acetate.
Solid ammonium chloride is added slowly to this mixture.
What is the concentration of silver ion when lead ion begins to precipitate?
[Ag+] = ?M
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