Dissociation Constants of Inorganic Acids and Bases

Name Formula Step t/°C pKa Aluminum(III) ion Al+3 25 5 .0 Ammonia NH3 25 9 .25 Arsenic acid H3AsO4 1 25 2 .26

2 25 6 .76 3 25 11 .29

Arsenious acid H2AsO3 25 9 .29 Barium(II) ion Ba+2 25 13 .4 Boric acid H3BO3 1 20 9 .27