Changes

[[Hydrochloric Acid]] is an [[acid]] made of one [[Hydrogen]] and one [[Chlorine]] [[atom]] with the [[Chemical Forumula|chemical formula]] HCl.

: [[Hydrochloric Acid]] is found in the [[stomach]] of [[human]]s.

: [[Hydrochloric Acid]] with a [[concentration]] between 2[[M]] and 6.5[[M]] is an [[irritant]].

: [[Hydrochloric Acid]] with a [[concentration]] above 6.5[[M]] is [[corrosive]].