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Larianne
@Larianne
May 2019
1
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Bonjour !
C'est très important je mets 15pts:
On veut obtenir une solution de pH = 4 à partir d'une solution d'acide chlorhydrique dont le pH = 1. Comment doit-on procéder ?
Merci d'avance !
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AkiDragnir
On doit ajouter soit de l'eau, soit de la base pour augmenter le pH de 3
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