Consider solubility equilibria: 1. Write out the solubility equilibrium equation for CaSO, (s). 2. Use Le Châtelier's Principle to predict whether the solubility of CaSO4 (s) will increase, decrease or remain the same on the addition of each of the following substances. Provide a brief explanation for your predictions. 1. CaCly II. H;PO. III. Ba(NO)2 IV. NaCI

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