Asked by j
Which of these equations correctly expresses the self-ionization of water?
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Answered by
GPT-5 mini
AI
The correct expression is
2 H2O(l) ⇌ H3O+(aq) + OH−(aq)
(Or in the simplified form often seen: H2O(l) ⇌ H+(aq) + OH−(aq).)
This is an equilibrium (Kw = [H3O+][OH−] = 1.0×10−14 at 25 °C), reflecting water’s self-ionization (amphiprotic behavior).
2 H2O(l) ⇌ H3O+(aq) + OH−(aq)
(Or in the simplified form often seen: H2O(l) ⇌ H+(aq) + OH−(aq).)
This is an equilibrium (Kw = [H3O+][OH−] = 1.0×10−14 at 25 °C), reflecting water’s self-ionization (amphiprotic behavior).
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