1) A solution contains 1.03Ã10-2 M nickel(II) nitrate and 9.43Ã10-3 M iron(III) acetate. Solid potassium hydroxide is added slowly to this mixture. What is the concentration of iron(III) ion when nickel ion begins to precipitate?

[Fe3+] = __M

A. What is the formula of the substance that precipitates first?

formula = _

B. What is the concentration of hydroxide ion when this precipitation first begins?
[OH^-] = ___M

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1)A solution contains 8.65Ã10^-3 M silver acetate and 9.83Ã10^-3 M chromium(III) nitrate.
Solid sodium hydroxide is added slowly to this mixture.

A. What is the formula of the substance that precipitates first?

formula =

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A solution contains 5.94Ã10^-3 M lead nitrate and 1.27Ã10^-2 M silver acetate.
Solid ammonium bromide is added slowly to this mixture.

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OWL question so its 3 parts

Part A

A solution contains 9.25Ã10-3 M aluminum nitrate and 5.90Ã10-3 M copper(II) acetate. Solid sodium hydroxide is added slowly to this mixture. What is the concentration of aluminum ion when copper(II) ion begins to precipitate?

[Al3+] = M

Part B

A solution contains 1.29Ã10^-2 M iron(II) acetate and 9.60Ã10^-3 M manganese(II) nitrate.
Solid potassium hydroxide is added slowly to this mixture.

What is the concentration of iron(II) ion when manganese(II) ion begins to precipitate?
[Fe²⁺] = M

Part C

A solution contains 1.02Ã10^-2 M ammonium carbonate and 5.02Ã10^-3 M sodium phosphate.
Solid silver nitrate is added slowly to this mixture.

What is the concentration of phosphate ion when carbonate ion begins to precipitate?
[phosphate] = M

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