What would occur when a solution of sodium carbonate was added to a solution of calcium nitrate?

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What would occur when a solution of sodium carbonate was added to a solution of calcium nitrate?

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Answer 1 · 2016-08-14T10:24:03

Precipitation of $calcium carbonate$ $"calcium carbonate"$

Explanation:

$C a {(N O_{3})}_{2} (a q) + N a_{2} C O_{3} (a q) \to 2 N a N O_{3} (a q) + C a C O_{3} (s)$ $Ca(NO_3)_2(aq) + Na_2CO_3(aq) rarr 2NaNO_3(aq) + CaCO_3(s)$

Or, since the nitrate and sodium ions are along for the ride, we could write a net ionic equation:

$C a^{2 +} + C O_{3}^{2 -} \to C a C O_{3} (s) ⏐ ⏐ ↓$ $Ca^(2+) + CO_3^(2-) rarr CaCO_3(s)darr$

Calcium carbonate is very poorly soluble in water; I think, from memory, to the tune of $15 \cdot m g \cdot L^{- 1}$ $15*mg*L^-1$ .

In acidified water, would you expect calcium carbonate to have greater solubility?

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What would occur when a solution of sodium carbonate was added to a solution of calcium nitrate?

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