Part A: A solution contains7.68×10-3 M iron(II)acetate and 5.92×10-3 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 1.41×10-2 M ammoniumsulfide and 6.35×10-3 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?