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type de dissolution


type de dissolution

Messagepar mgauxx » 03 Avr 2023, 10:12

salut,

j'arrive pas trop a comprendre la partie du cours sur dissolution extractive et complète...
si c'était possible un ptit récap :)

merciii beaucoupp
mgauxx
Apprenti Carabin
 
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Inscription: 03 Aoû 2022, 16:31

Re: type de dissolution

Messagepar Patafelix » 04 Avr 2023, 20:48

Coucou,

Alors la dissolution complète c'est très simple, tu as un produit que tu vas dissoudre (le soluté) pour obtenir une solution monophasique homogène avec le PA sous sa forme moléculaire. En gros tu dissous tout et tu n'obtiens qu'un seul et même PA.

Alors que pour la dissolution extractive tu vas dissoudre qu'une seule partie, celle qui t'intéresse donc ton PA dont tu as besoin mais cette fois ci il va rester des résidus.
En gros tu dissous que la partie qui 'intéresse pour obtenir ton PA que tu cherches et ça ça laisse des résidus
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Patafelix
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