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Annale session 2 2023

Adents

By Adents
in Chimie

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Adents Utilisateur TATipotent

Adents

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Posted

Salut, je ne comprends pas pourquoi l’item 20 est vrai, j’ai pourtant regardé une correction un peu détaillé mais je ne comprends pas le calcul 

j’ai fait : 

IMG_0593.PNG

pdf 32.pdf

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