Explain water molecules can undergo a self-ionization

Reference no: EM13232425

Water molecules can undergo a self-ionization reaction to produce very small concentrations of hydronium and hydroxide ions:

H2O + H2O ? H3O+(aq) + OH-(aq)

Use the thermodynamic information below to compute the equilibrium concentration of hydronium ions, [H3O+(aq)], in water at 31 C.

Substance _______change in H kJ/mol________S J/mol K

H2O(l) ____________-285.83__________ 69.91

H3O+(aq)_________-285.83__________ 69.91

OH-(aq)__________ -229.99 _________-10.95

Reference no: EM13232425

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