Question #8f3a7

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Question #8f3a7

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Answer 1 · 2016-03-09T01:54:27

See explanation.

Explanation:

Calcium metal, $Ca$ $"Ca"$ , will react with hydrochloric acid, $HCl$ $"HCl"$ , in a single replacement reaction to produce aqueous calcium chloride, ${CaCl}_{2}$ $"CaCl"_2$ , and hydrogen gas, $H_{2}$ $"H"_2$ .

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

The balanced chemical equation for this reaction looks like this

${Ca}_{(s]} + 2 {HCl}_{(aq]} \to {CaCl}_{2(aq]} + H_{2(g]} ↑ ⏐$ $"Ca"_text((s]) + 2"HCl"_text((aq]) -> "CaCl"_text(2(aq]) + "H"_text(2(g]) uarr$

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

You can check out the reaction here:

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