Strong and Weak Acids

A strong acid ionizes completely when placed into water. HCl ---> H+ + Cl- Seven Common Strong Acids nitric, HNO3 sulfuric, H2SO4 hydrochloric, HCl hydrobromic, HBr hydroiodic, HI chloric, HClO3 perchloric, HClO4 Most other acids are weak acids which ionize only a little bit. CH3COOH <---> H+ + CH3COO-