Question

Calculate the pH of a solution if the concentration of hydronium ions (H3O+) is 4.8 x 10-11M?

Answer 1

Step-by-step explanation:

[ H₃O⁺¹] = 4.8 x 10⁻¹¹ mol / l

H₃O⁺¹ = H₂O + H⁺

[ H₃O⁺¹] = [H⁺]

pH = -log[H⁺]

= -log[ 4.8 x 10⁻¹¹]

= -log 4.8 + 11

= - 0 .68 + 11

= 10.32