Consider the insoluble compound zinc carbonate , ZnCO3 . The zinc ion also forms a complex with ammonia. Write a balanced net ionic equation to show why the solubility om ZNCO3 (s) increases in the presence of ammonia and calculate the equilibrium constant for this reaction. For Zn(NH3),+ , K¢= 2.9×10° . Be sure to specify states such as (aq) or (s). K =

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