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Ion Activity, Ion Association and Solubility
Solubility Calculations Solubility Product, Ksp Ion Activity Product, IAP Saturation Index, SI Solubility Reaction Relationship to equilibrium constant Product of free ion species activities SI = log (IAP/Ksp) Solid phase, dissociated species. Solubility Calculations If IAP>Ksp, then SI is +ve. Mineral precipitates.
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