Question

What is formed when calcium chloride and sodium carbonate are mixed?

Answer 1

Calcium Carbonate

Explanation:

The product of this reaction is the precipitate, Calcium Carbonate.

`CaCl_2(aq) + Na_2CO_3(aq) = 2NaCl(aq) + CaCO_3(s)`

Total Ionic Equation:
`Ca^"+2" + 2Cl^-1 + 2Na^"+1" +CO_3^-2 = 2Na^"+1" + 2Cl^-1 + CaCO_3`

Net Ionic
`Ca^"+2"(aq) + CO_3^-2(aq) = CaCO_3(s)`

Answer 2

You can produce calcium carbonate `(CaCO_3)` and table salt `(NaCl)`.

Explanation:

We got:

`Na_2CO_3(aq)+CaCl_2(aq)->2NaCl(aq)+CaCO_3(s)downarrow`

So, insoluble calcium carbonate is produced as a precipitate and also table salt, but in aqueous form.

This is an example of precipitation reaction. It happens when two aqueous solution combine to form a precipitate and a secondary product, usually aqueous as well.

The precipitate formed can be separated with filtration, where the aqueous residue gets filtered, leaving the precipitate behind, and then allowing it to dry before collecting it.

Answer 3

Insoluble calcium carbonate and table salt.

Explanation:

We have the equation:

`CaCl_2(aq)+Na_2CO_3(aq)->2NaCl(aq)+CaCO_3(s)downarrow`

This produces a precipitate of calcium carbonate, and can be collected by filtrating the mixture afterwards.

Note that this is a precipitation reaction, where two aqueous solutions are mixed together and form an insoluble precipitate, which can be then filtered out to be collected.