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Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH–] is 1 x 10–11 mol/L. Is this solution acidic, basic, or neutral? Show all work.
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Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH–] is 1 x 10–11 mol/L. Is this solution acidic, basic, or neutral? Show all work.

User Peterstev Uremgba
by
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1 Answer

7 votes
If we have
[H+][OH-]= Kw = 1.0 x 10^-14
Then
[H+]= Kw/ [OH-]= 1.0x 10^-14
/ 1 x 10^-11 =1 x 10^-3 mol/L
And here is the solution - as you can see it is an acidic one :

pH = - log [H+]= - log 1 x 10^-3 = 3 \ \textless \ 7

I am pretty sure this answer will help you! Regards.
User Aravindan R
by
8.4k points
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