zazo Posted March 28, 2020 Share Posted March 28, 2020 Salut la populasse j'ai une petite question !! je comprend pas pourquoi l'item A est juste Quote Link to comment Share on other sites More sharing options...
Solution RaphLeLoup Posted March 28, 2020 Solution Share Posted March 28, 2020 Salut ! Dans cette solution initiale, on a 10-3 mole d'un acide faible et autant de son sel de Na, soit de sa base. On a donc [acide] = [base] donc pH=pKa= 4,75 Voilà ! Bon courage pour la suite des révisions ! Quote Link to comment Share on other sites More sharing options...
zazo Posted March 28, 2020 Author Share Posted March 28, 2020 merci beaucoup !!! Quote Link to comment Share on other sites More sharing options...
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