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Mathematics, 28.11.2020 14:20 redrocker

L’air est constitué principalement d’azote et d’oxygène. Dans un volume d’air donné, le volume d’azote correspond à 78,6% du volume total et celui d’oxygène a 20,9%. Sachant qu’une salle de classe a un volume de 125m3, calculer le volume, en m3, de chacun des gaz présents dans cette salle.

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L’air est constitué principalement d’azote et d’oxygène. Dans un volume d’air donné, le volume d’azo...

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