Question

The Ksp for AG2SO4 is 1.2x10^-5 and the Ksp for CaSO4 is 4.93x10^-5. How do I find the Ca concentration?

Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and 0.0250 M Ag'(aq).
What will be the concentration of Ca2(aq) when Ag2SO4(s) begins to precipitate?
Solubility-product constants, Ksp, can be found here.
Number
2+
What percentage of the Ca2 (aq) can be precipitated from the Ag (aq) by selective precipitation?
Number
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Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and 0.0250 M Ag'(aq). What will be the concentration of Ca2(aq) when Ag2SO4(s) begins to precipitate? Solubility-product constants, Ksp, can be found here. Number 2+ What percentage of the Ca2 (aq) can be precipitated from the Ag (aq) by selective precipitation? Number

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