Chemistry, 06.07.2019 17:30 Coledyer

Bonsoir les amis ,demain j'ai un examen de chimie en solution et je veux bien que vous m'aider à faire ce exercice s'il vous plait calculer la qantite de nacl et de l'eau nécessaire pour l'obtention de 250g solution de nacl avec le pourcentage massique 10%

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Bonsoir les amis ,demain j'ai un examen de chimie en solution et je veux bien que vous m'aider à fai...