👤

Completați spatiile libere a)[H3O+]= 10 la puterea -12 => pH=.......=> soluția ......... b) pH=5 => [H3O+].......=>solutia........... c) [H3O+]= 10 la puterea -7 => solutia .......=> pH= ........, va rooooggg rereeeepppeeeddee, dauuuu coooorrrrroooaaannna, urrrgggeent​

Răspuns :

a)

[H3O+] = 10^(-12) => pH = 12 = 12 => solutia foarte alcalina

b)

pH = 5 => [H3O+] = 10^(-5) => solutia slab acida

c)

[H3O+] = 10^(-7) => solutia neutra => pH = 7