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Hello, j'ai vraiment du mal à lire et comprendre les spectres RMN donc j'ai énormément de mal à résoudre les QCM , et je ne comprend pas très bien les explications du prof , je suis donc preneuse d'explications et conseilles :)Capture.PNG.c4afbe4b4a557de117473ee88fc986c5.PNG

ici on sait que la formule brute est C11H14O

RMN.PNG.81601fddade3a71709ec7aa1ba4f64d4.PNG

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