Hitunglah pH larutan berikut: a, HNO3 0,05 M b, Mg(OH)2 0,01 M tolong bantuin ya,,, please,,,,, tugas banyak kh,,,,

Question

Kimia Diposting : 2017-10-05 Diupdate : 2021-06-12 Ardianton

Pertanyaan

Hitunglah pH larutan berikut:
a, HNO3 0,05 M
b, Mg(OH)2 0,01 M
tolong bantuin ya,,, please,,,,, tugas banyak kh,,,,

Answer 1

HNO3 pH = -log H+ = - log 0.05 = 1.3
Mg(OH)2 pOH = - log OH- = - log 0.02 = 1.699
pH = 14 - 1.699 = 12.301