pH of 0.10 M H₂SO₃ (Ka1 = 1.5×10⁻²) is dominated by

Weak Acid and Base Equilibria

AP Chemistry· difficulty 4/5

pH of 0.10 M H₂SO₃ (K_a1 = 1.5\times10⁻²) is dominated by

Explanation

With K_a1 ≫ K_a2, only the first ionization meaningfully sets [H⁺].

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