What is the net ionic equation for formation of an aqueous solution of $N i I_{2}$ $NiI_2$ accompanied by evolution of $C O_{2}$ $CO_2$ gas and water via mixing solid $N i C O_{3}$ $NiCO_3$ and aqueous hydriodic acid?

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Answer 1 · 2017-03-30T00:54:35

$C O_{3}^{2 -} + 2 H_{3} O^{+} \to C O_{2} (g) ↑ ⏐ ⏐ + 3 H_{2} O (l)$ $CO_3^(2-) + 2H_3O^+ rarr CO_2(g)uarr + 3H_2O(l)$

Or

$C O_{3}^{2 -} + 2 H^{+} \to C O_{2} (g) ↑ ⏐ ⏐ + H_{2} O (l)$ $CO_3^(2-) + 2H^+ rarrCO_2(g)uarr + H_2O(l)$

The iodide and nickel ions are just along for the ride.........

What is the net ionic equation for formation of an aqueous solution of NiI2NiI_2 accompanied by evolution of CO2CO_2 gas and water via mixing solid NiCO3NiCO_3 and aqueous hydriodic acid?