Calculate pH of 1×10^-3M solution of H2SO4?
回答 (1)
2016-03-02 3:06 pm
✔ 最佳答案
In such low concentration of 1 × 10⁻³ M, H₂SO₄ completely ionizes :H₂SO₄(aq) → 2H⁺(aq) + SO₄²⁻(aq)
[H⁺] = (1 × 10⁻³) × 2 = 2 × 10⁻³ M
pH = -log(2 × 10⁻³) = 2.7
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