If the ph of a certain solution changes from 8 to 9, what happens to the hydroxide ion concentration?

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12-08-2017
Chemistry

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If the ph of a certain solution changes from 8 to 9, what happens to the hydroxide ion concentration?

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akiyama316 akiyama316 · Answer 1 · 2017-08-19T21:27:33+02:00

akiyama316 akiyama316

19-08-2017

[tex]pH_1 = 8 \\ pH_2 = 9[/tex]

[tex]pOH_1 = 14 - 8 = 6 \\ pOH_2 = 14 - 9 = 5[/tex]

[tex]OH^-_1 = 10^{-6} M[/tex]

[tex]OH^-_2 = 10^{-5} M[/tex]

Ratio = [tex]\frac{10^{-5}}{10^{-6}} = 10[/tex]

so, OH- concentration will become 10 times the initial one

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