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lucas75008
@lucas75008
January 2021
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Bonjour aider moi svp
1) On désire réaliser une solution de trichlorure de fer de formule FeCl3 de concentration molaire
C=2,5 × 10-1mol/L et de volume V= 300mL.
Quelle masse m de FeCl3 faut-il prélever ?
Les masse molaire sont indiqués dans la classification périodique de la photo.
Merci d’avance pour votre aide
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