Constante d'acidité Ka et pKa d'un couple acide base - Relation entre pH et pKa - Lycée.
3:30
YouTubePhysique chimie en vidéos
Constante d'acidité Ka et pKa d'un couple acide base - Relation entre pH et pKa - Lycée.
Dans cette vidéo, on définit la constante d'acidité Ka d'un couple acide base et également son pKa, puis on démontre par un développement mathématique, la formule qui permet d'exprimer le pH en fonction du pKa qui permet de tracer le diagramme de prédominance pour un couple acide base.
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