2. Give examples of the use of precipitation reactions in qualitative and quantitative analysis (reaction equation, conditions for their implementation). Suggest ways to shift the heterogeneous equilibrium to the side:
A) lowering the solubility of the precipitate
B) sediment dissolution
In the formation of which poorly soluble compound, the solubility of the precipitate is minimal? Support your answer with calculations.
Ks(AgI)=8.3*10-17
Ks(Ag2SO4)=1.6*10-5
Ks(Ag3PO4)=1.3*10-20
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