Calculate the pH of hydronium ions in a 0.000 01 M solution of the strong acid HI.

pH = 5

Explanation:

We are given;

Concentration of a solution HI as 0.00001 M

We are required to calculate the pH of Hydronium ions.

When the acid dissociates in water to;

HI + H₂O → H₃O⁺ (aq) + I⁻ (aq)

Therefore; The concentration of H₃O⁺ ions is 0.00001 M / We need to know that pH = - log[H₃O⁺]

Therefore;

pH = -log 0.00001 M

= 5

Thus, the pH of the hydronium ions is 5