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06-05-2017
Chemistry

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The concentration of hydrogen ions in a certain aqueous solution is 1.0 × 10−4 M. Calculate the concentration of the hydroxide ion

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reihannibrasky reihannibrasky

06-05-2017

[H+}=10^-4
[OH-]= ?

Kw=[H+][OH-]

kw at 25 c is 10^-14

so

10^-14=10^-4[OH-]
10^-10=[OH-]
[OH-]=10^-10

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