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Chemistry, 10.05.2021 19:40 Molly666

3. Combustion du magnésium On enflamme un ruban de magnésium de 6 g de masse. On arrête la réaction et on
pèse la masse de la poudre blanche formée. On retrouve 8g.
a. Illustrer la réaction par l'équation et nommer les réactifs et les produits.
b. Calculer la masse de magnésium brûlée.
c. Quelle quantité (en mol) d'air est encore nécessaire pour brûler tout le ruban de
magnésium.
Données : Masses molaires atomiques dans CNTP en g/mol : M(O) = 16
M(Mg)=24

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3. Combustion du magnésium On enflamme un ruban de magnésium de 6 g de masse. On arrête la réactio...
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