Calculate [H3O+] and [OH-] in 0.22 M KOH(aq). This is a strong base.

Answer 1

Its a strong base; therefore, it ionizes 100% which makes the OH^- = 0.22M. You can calculate H^+(i.e., H3O^+)from (H^+)(OH^-) = Kw = 1E14.