Strong acid completely ionizes in the solution. Meaning, the dissociation of H+ in the solution is complete.
HA + H2O ---> H3O+ + A-
The ionization of strong acid in water produces hydronium ion and a conjugate base,
Let us use HCl or commonly known as Hydrochloric acid. As the name suggests, this compound is an acid. Generally an acid, is a proton donor, has a pH below 7, neutralizes base and turns blue litmus paper to red. This also means that in a solution (in water) HClO4 produces Hydronium ions (H3O+ ions).
The chemical equation for the dissociation of Hydrochloric (HCl) in the solution can be written as:
HCl (aq) + H2O ---> H3O+ + Cl-
**hydronium ions can be represented as H3O+ or simply H+.