Question

Determine the concentration of [OH–] ions in an aqueous solution where the pH = 5.22.

Answer 1

Answer:

If pH = 5.22

pOH = 14 - 5.22

pOH = 8.78

pOH = -log [OH-]

So [OH-] = - antilog pOH

= - antilog 8.78

[OH-] = 1.6 • 10^-9 M