Pure water undergoes self-ionization 2 H₂O ⇌ H₃O⁺ + OH⁻ with Kw = [H₃O⁺][OH⁻] = 1.0×10⁻¹⁴ at 25 °C. Implies pH + pOH = 14 in dilute aqueous solution at room temperature. Kw is temperature-dependent (higher at higher T), so the pH of…
Pure water undergoes self-ionization 2 H₂O ⇌ H₃O⁺ + OH⁻ with Kw = [H₃O⁺][OH⁻] = 1.0×10⁻¹⁴ at 25 °C. Implies pH + pOH = 14 in dilute aqueous solution at room temperature. Kw is temperature-dependent (higher at higher T), so the pH of…