HCl (aq) + NaHCO3 (aq) → H2O (l) + CO2 (g) + NaCl (aq)
This is an acid-base reaction (neutralization): HCl is an acid, NaHCO3 is a base.
This is a gas evolution reaction, CO2 is the formed gas.
- HCl – Chlorane , Hydrogen chloride
- Other names: Hydrochloric acid , Hydrochloric acid gas , HCl
- Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]
- NaHCO3 – Sodium hydrogen carbonate
- H2O – Water, oxidane
- NaCl – Sodium chloride