1. CaCO3<span> + </span>2H+<span> = </span>Ca2+<span> + </span>CO2<span>↑ + </span>H2O
2. 2N<span>а</span>+<span> + </span>CO32−<span> + </span>2H+<span> + </span>2Cl−<span> = </span>2Na+<span> + </span>2Cl−<span> + </span>CO2<span>↑ + </span>H2O
2N<span>а</span>+<span> + </span>CO32−<span> + </span>2H+<span> = </span>2Na+<span> + </span>CO2<span>↑ + </span>H2O
3. Na+<span> + </span>HCO3−<span> +</span>H+<span> + </span>Cl−<span> = </span>Na+<span> + </span>Cl−<span> + </span>CO2<span>↑ + </span>H2O
HCO3−<span> + </span>H+<span> = </span>CO2<span>↑ + </span>H2O
4. CaCO3<span> + </span><u>2</u>H+<span> + </span><u>2</u>Cl−<span> = </span>Ca2+<span> + </span><u>2</u>Cl−<span> + </span>CO2<span>↑ + </span>H2O
CaCO3<span> + </span><u>2</u>H+<span> = </span>Ca2+<span> + </span>CO2<span>↑ + </span>H2O