Question: what is the balanced chemical equation for alka seltzer and water?
Answer: The bubbles that are seen rising out of the water are the carbon dioxide gas. The chemical equation for the reaction is: 3NaHCO3 + C6H8O7 → C6H5Na3O7 + 3CO2 + 3H2O. Sodium citrate is an antacid, which means it helps to neutralize stomach acid.