Question

Carbon dioxide gas is passed through lime water to form a precipitate of calcium carbonate.
What is equation for and how is water formed in this reaction?

Answer 1

Answer:

Resultant carbon dioxide passed through limewater in the right tube, producing a milky solution due to precipitation of the insoluble suspension of calcium carbonate: Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2O. If excess CO2 is added: the following reaction takes place: CaCO3(s) + H2O(l) + CO2(g) → Ca(HCO3)

Answer 2

Answer:

Lime water = CaOH and

Carbon dioxide is = CO2

CaOH + CO2 --------> CaCO3 + H2O

when calcium hydro oxide reacts with carbon dioxide it produces calcium carbonate with H20

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