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nitii
@nitii
January 2021
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Bonjour, j'ai un exercice à faire, j'ai besoin d'aide pour ça.
Est ce que vous pouvez m'aider svp
mercii en avance
Pour préparer 50 mL d'une solution de glucose à 18 g/L, quelle masse de sucre faut-il dissoudre ?
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ficanas06
Verified answer
1 L = 1 000 ml
proportionnalité:
18 g => 1000 ml
? => 50 ml
? = (50 * 18) / 1000 =
0.9 g
1 votes
Thanks 1
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Verified answer
1 L = 1 000 mlproportionnalité:
18 g => 1000 ml
? => 50 ml
? = (50 * 18) / 1000 = 0.9 g