Tentukan ph NH0H 0,02M

Mapel: Kimia
Kelas: XI
Materi: Asam Basa

Jawab

NaOH → Na+ + OH-

[H+] = a × Ma
[H+] = 1×0.02
[H+] = 2×10-²

pH= -log[H+]
pH= -log1×10-²
pH= 2-log2
pH= 2-2
pH= 2-0.3
pH= 1.7

Suasana basa

pH= pOH - pH
pH= 14-1.7
pH= 13.3