Description of hydrochloric acid

Hydrochloric acid, hydrochloric acid scientific name, is the hydrogen chloride (chemical formula: HCl) aqueous solution is 1 yuan acid. Hydrochloric acid is a strong acid, concentrated hydrochloric acid is highly volatile, so a container filled with concentrated hydrochloric acid can be opened to see the top of the mist, which is volatile hydrogen chloride vapor in the air after the combination of small droplets of hydrochloric acid generated. Hydrochloric acid is a common chemicals, in general, concentrated hydrochloric acid and hydrogen chloride mass fraction of about 37%. Meanwhile, the main component of gastric acid is hydrochloric acid.