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Dissociation basique ampholytes


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En milieu basique, un ampholyte se comporte comme un acide il cède donc le H du COOH ( dissociation acide ) et on obtient un anion COO-.

En milieu acide, il se comporte comme une base et NH2 capte un H, on obtient NH3+ soit un cation mais dans ce cas là je ne vois pas pourquoi on parle de dissociation basique.


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