Question

Calculate pH of 0.01 M NaOH.

Answer 1

Given: C = 0.01 M NaOH = [OH⁻]= 1 × 10⁻²

∴ pOH = − log₁₀ [OH⁻)

= − log₁₀ (1 × 10⁻²)

= 2 − 0

= 2

Now, pH+ pOH

= 14

pH = 14 − 2

= 12