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This is from a "effect of pH on the solubility of Ca(OH)2" lab: If excess Ca(NO3)2 were present, what effect would it have on the solubility of Ca9OH)2. in a "effect of comlex ion formaiton on the solubility of NiCO3" lab": If HCl(aq) were added to the NiCo3 precipitate, rather than NH3 (aq), what effect would it have on the solubility? write a balanced ionic equation for the reaction of HCl 9aq) with NiCO3(s).

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