These conjugate acids and bases come in pairs. Acids produce conjugate bases and bases produce conjugate acids. A conjugate acid is the substance formed when a proton is added to a base and a conjugate base is the remaining substance when a proton is lost from an acid. An example would be HSO4- + H2O producing SO4^2- as the conjugate base and H3O+ as the conjugate acid.
Strong Acids are acids that completely dissociate to produce H+ ions in a solution, weak acids don't completely dissociate. There is a list of strong acids such as Perchloric, Chloric and Hydrochloric acid. The rule is that the Oxygens have to outnumber the Hydrogens by 2 or more for the acid to be strong.
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Video Over Conjugate Acids and Bases
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