Name a chemical equation (with the chemical reactants) that produces CaCO3-calcium carbonate (limestone)?

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Name a chemical equation (with the chemical reactants) that produces CaCO3-calcium carbonate (limestone)?

What type of reaction is this (combustion, precipitation, etc..)?

2007-04-24 20:10:30 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

The calcium carbonate is limestone scales formed on the sides of a swimming pool due to there being too much basicity of the water. This may be due to adding a substance. What substance or reactants would these be?

2007-04-24 20:17:55 · update #1

2 answers

Ca(OH)2 (aq) + CO2 -> CaCO3 + H2O

Precipitation.

2007-04-24 20:26:31 · answer #1 · answered by ag_iitkgp 7 · 0⤊ 0⤋

Ca(OH)2+CO2--------> Ca(CO)3+H2O

2007-04-24 20:27:41 · answer #2 · answered by Anonymous · 0⤊ 0⤋