Question

what is the value of (H+) ion and (OH-) ion in water at 25°c?What is Kw called?What will be the value of Kw in Kw=[H+][OH-]​

Answer 1

Answer:

In pure water, at 25C, the [H3O+] and [OH-] ion concentrations are 1.0 x 10-7 M. The value of Kw at 25C is therefore 1.0 x 10-14. Although Kw is defined in terms of the dissociation of water, this equilibrium constant expression is equally valid for solutions of acids and bases dissolved in water.

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