hinamibarden6445 hinamibarden6445

18-05-2018
Chemistry

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If an aqueous solution has a ph of 5.57 what is the concentration of hydroxide ion ([oh-]) in the solution?

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mkryukova19 mkryukova19

18-05-2018

pH=5.57
pH+pOH=14
5.57 + pOH=14
pOH = 14-5.57= 8.43

pOH = - log [OH⁻]
-pOH= log [OH⁻]

[tex][OH^{-}] = 10^{-pOH}= 10^{-8.43}= 3.72*10^{-9} [OH^{-}]= 3.72*10^{-9}[/tex]

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