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Physics, 08.11.2020 17:50 ayoismeisjjjjuan

Aidez moi s’il vous plaît je bloque sur cette exercice : Le trophée de la Coupe du
monde de football pèse 6,175 kg.
Il est en or 18 carats.
Donnée Pourcentage massique
d'or pur dans l'or 18
carats : 75 %
a. Calculer le nombre d'atomes d'or.
b. Calculer la quantité de matière
d'or correspondante.

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Aidez moi s’il vous plaît je bloque sur cette exercice : Le trophée de la Coupe du
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