noun[mass noun] Chemistry
A strongly acidic solution of the gas hydrogen chloride in water.
- Chemical formula: HCl
- The complementary acid is typically either phosphoric acid or hydrochloric acid.
- His other discoveries included nitrogen, hydrochloric acid, ammonia and carbon monoxide, and he was the father of the soda-water industry.
- To determine the exact concentration, titrating the hydrochloric acid against a solution of base, for example sodium hydroxide, would be appropriate.
Definition of hydrochloric acid in:
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