Question #8f3a7

1 Answer
Stefan V.
Mar 9, 2016

See explanation.

Explanation:

Calcium metal, #"Ca"#, will react with hydrochloric acid, #"HCl"#, in a single replacement reaction to produce aqueous calcium chloride, #"CaCl"_2#, and hydrogen gas, #"H"_2#.

This reaction takes place with both dilute and concentrated hydrochloric acid solutions.

The balanced chemical equation for this reaction looks like this

#"Ca"_text((s]) + 2"HCl"_text((aq]) -> "CaCl"_text(2(aq]) + "H"_text(2(g]) uarr#

The resulting solution, which contains calcium cations, #"Ca"^(2+)#, and chloride anions, #"Cl"^(-)#, is colorless. The hydrogen gas will bubble out of solution.

You can check out the reaction here:

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