French, 15.02.2021 14:00 TheCat250

Exercleo Evolution de la slvolmie dans 1. Exercice : Dilution
Une solution a une concentration massique de 10 /L
Dans une fiole jugée de 250 m, on verse 20 mL de cette solution
Quelle est la concentration de la nouvelle solution?
2. Exercice : Dilution
A partir d'une solution de concentration - 30 9/L, on destre
solution de concentration
on 90
90 /

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Exercleo Evolution de la slvolmie dans 1. Exercice : Dilution
Une solution a une concentration...

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