Hydrochloric acid
(muriatic acid):
An
aqueous
solution of
HCl,
containing up to 35% by weight
HCl.
Best described as
H3O+
Cl
-. A strong
acid;
H3O+
pKa -1.78.
When hydrochloric acid is saturated or supersaturated with
HCl
it is called concentrated hydrochloric acid.
