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camcam09
Go to solution Solved by LeMathou,

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@camcam09 

il y a 49 minutes, camcam09 a dit :

mais du coup on prend pas du tout en compte que le soluté A et B font 15mmol ?  

sisisisi bien-sûr, en gros ta résolution à 2 inconnus que @léaviard a commencé à te donner tu divises chaque termes de l'addition par 15 et pas le résultat ! (tq : 0,2/15x + 0,6/15y =0,6)

 

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