We're being asked to determine the correct equation for the dissociation of water.
Water (H2O) is an amphoteric species which means it can act as an acid or as a base.
Which of these is the correct equation for the dissociation of water?
A. H2O ⇌ H+ + OH-
B. H2O + H2O+ ⇌ H2O + OH-
C. H2O + OH- ⇌ H2O+
D. H2O + H2O ⇌ H3O+ + OH-
E. H+ ⇌ H2O + H2O+
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