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Unformatted text preview: between K sp and s takes a different form, but the principle remains the same. Common Ion Effect - if there is a preexisting concentration of one of the ions of a compound in solution, the solubility of the compound in that solution decreases. Chapter 17 H enthalpy change o NegativeH tends to make reaction spontaneous S entropy change o Positive S tends to make reaction spontaneous G free energy change o Negative G guarantees a spontaneous reaction...
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- Spring '08