What are the products of CaCl_2 + Na_2CO_3?

1 Answer
anor277
Apr 22, 2016

A solid precipitate of calcium carbonate would result from aqueous carbonate and calcium ions.

Explanation:

CaCl_2(aq) + Na_2CO_3 rarr CaCO_3(s)darr + 2NaCl(aq)

Sodium carbonate is soluble, however, calcium carbonate, the metathesis product, is reasonably insoluble in aqueous solution; wiki reports 0.013*g*L^-1 at 25 ""^@C.

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