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13 December, 09:59

Sulfuric acid is a polyprotic acid. Write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.

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  1. 13 December, 10:02
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    H₂SO₄ (aq) + H₂O (l) → HSO₄⁻ (aq) + H₃O⁺ (aq)

    HSO₄⁻ (aq) + H₂O (l) ⇄ SO₄⁻² (aq) + H₃O⁺ (aq) Ka

    Explanation:

    The sulfuric acid is a dyprotic acid.

    It is a considered a strong acid but only the first deprotonation is strong.

    Second deprotonation is totally weak

    That's why we have equilibrium when it release the second proton.

    Since a deprotonation is treated for a weak acid, the acid is considered not to completely dissociate, that's why the equilibrium
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