Prove that Kw is ionic product of water and its value is 1 x 10–14 at 25o.

Prove that Kw is ionic product of water and its value is 1 x 10–14
at 25o.
by

1 Answer

Answer :

Water undergoes self ionization as
 2H2O  H3O+ + OH–
 or H2O  H+ + OH–
 Kc [H2O] = [H+] [OH–]
Kw = [H+] [OH–]
 At 25oC the value of Kw ionic product have been measured. Its
value is 1 x 10–14.
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