Chemistry (11th Grade)
Autoionization of water (self-ionization of water)
Which expression correctly represents the autoionization equilibrium of water?
H2O ⇌ H+ + OH−
2 H2O ⇌ H3O+ + OH−
H2O + H2O ⇌ H2 + O2
H2O ⇌ H3O+ + O−
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