Ecuaciones clave

Ecuaciones clave

Kw = [H3O+][OH−] = 1,0 ×× 10−14 (a 25 °C)
pH=−log[H3O+]pH=−log[H3O+]
pOH = −log[OH−]
[H3O+] = 10−pH
[OH−] = 10−pOH
pH + pOH = pKw = 14,00 a 25 °C
Ka=[H3O+][A–][HA]Ka=[H3O+][A–][HA]
Kb=[HB+][OH–][B]Kb=[HB+][OH–][B]
Ka ×× Kb = 1,0 ×× 10−14 = Kw
Porcentaje de ionización=[H3O+]eq[HA]0×100Porcentaje de ionización=[H3O+]eq[HA]0×100
pKa = −log Ka
pKb = −log Kb
pH=pKa+log[A–][HA]pH=pKa+log[A–][HA]