| Description | Aqueous solution of Hydrogen Chloride (HCl) |
| Synonyms | Muriatic acid |
| Appearance | Colourless to slightly yellowish liquid |
| Odor | Pungent |
| Characteristic feature | Strong acid |
| pKa | -6.3 |
| Remarks | A component of the gastric acid (digestive system) |
Aqueous solution of hydrogen chloride (HCl) gas is called hydrochloric acid. Hydrochloric acid is a very strong acid. It hydrolyzes in water into H+ and Cl﹣. The pKa of hydrochloric acid is -6.0.
REFERENCES
https://pubchem.ncbi.nlm.nih.gov/compound/Hydrochloric-acid#section=2D-Structure
See also:
- Hydrogen Chloride Molecular Weight Calculation
How to Calculate Molarity of 37% (w/w) Hydrochloric acid (HCl), Alternative Method
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