5. Différentes formules d'un alcool
Un composé (A) de formule CxHyOz, à chaîne
carbonée saturé...
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Chemistry, 14.05.2021 14:00 urieforlife
5. Différentes formules d'un alcool
Un composé (A) de formule CxHyOz, à chaîne
carbonée saturée, présente les particularités suivantes :
son atomicité est égale à 12;
le pourcentage massique d'oxygène vaut 2 fois celui
d'hydrogène
sa densité de vapeur est d = 2,07.
a) Trouver la formule brute de (A).
b) Déterminer ses formules semi-développées sachant
qu'il renferme le groupe hydroxyde - OH,
caractéristique de la fonction alcool,
) Déduire les formules topologiques de (S).
MC = 12 g. mol" M(O) = 16 g. mol"
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