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Tutorat Associatif Toulousain
[GUIDE PARCOURSUP]
[EB PASS S2]
'[TATOUCAPTE Chimie organique 1]'

Purpan 2015 QCM 5 PH

minuscortex
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Go to solution Solved by EniramJ,

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EniramJ tic tat

EniramJ

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Salut, 

 

Pour la B je dirais qu'on peut faire pH = -log m = -log10^-1= 1

 

Pour la E j'aurais dit que le pH baisse vu qu'on ajoute un monoacide fort, donc il doit forcément être inférieur au pH initial qui est égal à 5 ?

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