ACIDE BASE: PH d'une solution aqueuse

[@ness8655]

monsieur mathamech video sur les approximations w kifech nesta3mlohom ,?

[@KhazriSchool]

deja mwjoudinn fi lekteeb , tekhdmou bihom

[@WildRiftMoment]

a3mlelna les démonstration mt3 les formules

[@KhazriSchool]

khoya taw inhawell infadhilkom wa9t wina3mlha, yesser 3indi wa9t madhghout,

[@donyessferjenii8590]