Correction d'un exercice estérification. (

[@dallaliaya-jh9zu]

méthanoate d'éthyl

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true ama 3adi tho kolna we make mistakes

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Yer7am waldik

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Bravo ❤

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❤❤❤❤❤❤

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Mchlh 3lik 3aweni l video brcha

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Bellhy kifeh l9ha M ester 46?

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donnee