Write the reaction responsible for the formation of bubbles. alka-seltzer, a drugstore antacid, contains a mixture of nahco3, aspirin, and citric acid, c6h5o7h3.

Write the reaction responsible for the formation of bubbles. alka-seltzer, a drugstore antacid, contains a mixture of nahco3, aspirin, and citric acid, c6h5o7h3.