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1) Consider the insoluble compound cobalt(II) carbonate , CoCO3. The cobalt(II) ion also forms a complex...

1) Consider the insoluble compound cobalt(II) carbonate , CoCO3. The cobalt(II) ion also forms a complex with ammonia . Write a balanced net ionic equation to show why the solubility of CoCO3(s) increases in the presence of ammonia and calculate the equilibrium constant for this reaction.

For Co(NH3)62+, Kf = 1.3×105. Use the pull-down boxes to specify states such as (aq) or (s).
Knet =

2) Consider the insoluble compound nickel(II) carbonate, NiCO3. The nickel ion also forms a complex with cyanide ions. Write a balanced net ionic equation to show why the solubility of NiCO3(s) increases in the presence of cyanide ions and calculate the equilibrium constant for this reaction.

For Ni(CN)42-(aq), Kf = 2.0×1031. Use the pull-down boxes to specify states such as (aq) or (s).

Knet =

3) Consider the insoluble compound zinc sulfide, ZnS. The zinc ion also forms a complex with hydroxide ions. Write a balanced net ionic equation to show why the solubility of ZnS(s) increases in the presence of hydroxide ions and calculate the equilibrium constant for this reaction.

For Zn(OH)42-, Kf = 4.6×1017. Use the pull-down boxes to specify states such as (aq) or (s).

Knet =

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