Balance:
Aluminium carbonate reacts with hydrochloride acid to evolve carbon dioxide gas.

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Solution

The chemical formulas for aluminum carbonate and hydrochloric acid are Al₂(CO₃)₃ and HCl respectively. Aluminum carbonate reacts with hydrochloric acid to yield aluminum choride and carbonic acid. It is a double displacement reaction in which aluminum carbonate and hydrochloric acid exchange their components. The carbonic acid which is produced during this reaction is unstable so, it decomposes into carbon dioxide and water. The ionic equations for the reaction are;

Al₂(CO₃)₃ ------> 2Al⁺³ + 3CO₃^-2

HCl ------ > H⁺¹ + Cl^-1

Al⁺³ + 3Cl^-1------ > AlCl₃

2H⁺¹ + CO₃^-2------ > H₂CO₃

Al⁺³+ 3Cl^-1+ 2H⁺¹ + CO₃^-2 ------ > AlCl₃ + H₂CO₃

The balanced chemical equation for the reaction is;

Al₂(CO₃)₃ + 6HCl -----> 2AlCl₃ + 3H₂CO₃

Or

Al₂(CO₃)₃ + 6HCl -----> 2AlCl₃ + 3H₂O + 3CO₂

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Carbon dioxide gas evolves when HCl acid is added to:

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