Consider the following reactions: CaSO4(s) Ca²+ + SO4²- CaF2(s) Ca²+ + 2F- Kso=10-4.59 Kso=10-10.3 a) What is the solubility of CaSO4(s) in water at 25 °C? b) What is the solubility of CaF2(s) in water at 25 °C? c) Will either of these two solids will precipitate if [F]=104 M, [SO4²-]=10-³ M and [Ca²+]=10-² M?

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