Ph e POH

http://www.scribd.com/doc/3395692/Quimica-Aula-17-pH-e-pOH

http://www.bernoulli.com.br/prevestibular_bernoulliresolve/ufmg_09_2/3dia/resolvidas/quimica.pdf

http://www.jcpaiva.net/files/ensino/alunos/20022003/estagio/970303060/sem.%20qu%EDm..pdf

http://mariafatimabc.googlepages.com/Auto-ionizao.pdf

http://web.educom.pt/fq/acidobase/auto.htm

http://www.qmc.ufsc.br/qmcweb/artigos/acidos_bases/exercicios.html