Part A A solution contains 7 6810 3 M iron(II)acetate and 5 9210 3 ...

Part A: A solution contains 7.68Ã—10-3 M iron(II) acetate and 5.92Ã—10-3 M zinc nitrate. Solid potassium hydroxide is added...

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Chemistry

Part A: A solution contains7.68Ã—10^-3 M iron(II)acetate and 5.92Ã—10^-3 Mzinc nitrate.
Solid potassium hydroxide is added slowly to thismixture.
A. What is the formula of thesubstance that precipitates first?
B. What isthe concentrationof hydroxide ion whenthis precipitation first begins? [OH-]= M ?
Part B: A solutioncontains 1.41Ã—10^-2 M ammoniumsulfide and 6.35Ã—10^-3 Msodium hydroxide.
Solid iron(III) nitrate is added slowly to thismixture.
A. What is the formula of thesubstance that precipitates first?
B. What is the concentrationof iron(III) ion when thisprecipitation first begins?
[Fe³⁺]=__M?

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I will tell you how its done part A so you can have a guidance of how this kind of problem is done and then try to solve Part B by yourself If you still have doubts you can post that See Answer

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