GKFix MCQ Question

How is pH calculated from [H3O+] = 2.4 × 10⁻³ M?

• A. pH = log(2.4 × 10⁻³)
• B. pH = –log(0.02)
• C. pH = –log(2.4 × 10⁻³) = 2.62
• D. pH = 14 – pOH