When an aqueous solution of magnesium nitrate is mixed with an aqueous solution of potassium carbonate, ____________.?

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07-11-2016
Chemistry

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When an aqueous solution of magnesium nitrate is mixed with an aqueous solution of potassium carbonate, ____________.?

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Anonymous Anonymous · Answer 1 · 2016-11-10T07:33:15-05:00

Ca(NO3)2 + Na2CO3 = CaCO3 + 2NaNO3
Yes a precipitate of Calcium Carbonate is formed since it is insoluble in water.
Mol Wt of Calcium Nitrate is 164. And that of Calcium Carbonate is 100.
One mole of Calcium Nitrate produces one mole of Calcium Carbonate.
i.e. 164 gms will produce 100gms of precipitate
So, 1.74gms of Calcium Carbonate will be obtained from 2.85gms Calcium Nitrate present in the original solution.