Question

What is the equation when acid react with carbonate to form salt and carbon dioxide gas?

Answer 1

Let us take the acid as HCl and carbonate as Na2CO3.

2HCl+ Na2CO3-----> 2NaCl+ CO2+ H2O

And let us take a hydrogen carbonate NaHCO3.

HCl+ NaHCO3-------> NaCl+ CO2+ H2O