✔ 最佳答案
12.
The ionic equation for the reaction between K₂CO₃ and H₂SO₄ :
CO₃²⁻(aq) + 2H⁺(aq) → H₂O(l) + CO₂(g)
The ionic equation for the reaction between KOH and H₂SO₄ :
OH⁻(aq) + H⁺(aq) → H₂O(l)
...... The answer is : C. KOH and H₂SO₄ ...... OH⁻(aq) + H⁺(aq) → H₂O(l)