Warto pamiętać, że:
pH + pOH = 14
A) pOH=1
pH + 1 = 14
pH = 13
b) pOH=5
pH + 5 = 14
pH = 9
C) pOH=3
pH + 3 = 14
pH = 11
D) pOH=2
pH + 2 = 14
pH = 12
