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Qcm pH


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Posted (edited)

Bonsoir 🤗

 

C'est une histoire de maths, tu sais que : 10-1 = 1x10 -1= 0,1 (tout comme 3 x 10-2 = 0,03 par exemple, c'est une puissance de 10 classique)

Ensuite dans ta formule tu sais que 10-pH = [H+]  or ici toi pH = 1 puisque tu as 10-1

 

En espérant t'avoir aidé,

Bonne soirée !!

Edited by PetiteComète

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