Problem

Calcule as porcentagens das formas dissociadas e não dissociadas presentes nas seguintes s...

Calcule as porcentagens das formas dissociadas e não dissociadas presentes nas seguintes soluções:

(a) 0.0010 mol L−1 de ácido glicólico (HOCH2CO2H; pKa = 3,83) em pH = 4,50

(b) 0,0020 mol L−1 de ácido propanoico (pKa = 4,87) em pH = 5,30

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