Answer :
[tex]K_w = 2.81 \times10^{-13}[/tex]
concentration of [tex]OH^{-} = 5.3 \times 10^{-7} M[/tex]
For neutral solution [tex]OH^- = H_3O^+ = 5.3 \times 10^-7 M[/tex]
From relation from [tex]K_w, OH^-, and \ H_3O^+[/tex]
[tex]K_w = [OH^-] [ H_3O^+] = 5.3 \times 10^-7 M \times 5.3 \times 10^-7 M\\K_w = 2.81 \times 10_{-13}[/tex]
what is neutral solution?
The neutral solution is solution in which the concentration of hydroxide ions breaks even with the concentration of hydrogen ions. The pH of such a solution is 7 always . These solutions are not one or the other acidic in nature nor basic in nature. Example Distilled water has pH , so it may be a neutral solution.
It can also defined as solution is one which has an equal concentration of [tex]H^+[/tex] and [tex]OH^-[/tex] ions in the solution.
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