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What is the balanced equation for the neutralization of hydrobromic acid with calcium carbonate?
The reaction is the sum of two reactions.
Here's how to work them out.
1. The hydrobromic acid neutralizes the calcium carbonate in a double replacement reaction. The products are calcium bromide and carbonic acid.
2HBr + CaCO₃ → CaBr₂ + H₂CO₃
2. The carbonic acid is unstable. It decomposes to form carbon dioxide and water.
H₂CO₃ → CO₂ + H₂O
3. The reaction is the sum of the above two equations.
2HBr + CaCO₃ → CaBr₂ + H₂O + CO₂