NaOH (aq) + HCl (aq) → NaCl (aq) + H2O (l)
This is an acid-base reaction (neutralization): NaOH is a base, HCl is an acid.
- 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.]