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

User Robert Audi
by
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1 Answer

5 votes

pH_1 = 8 \\ pH_2 = 9


pOH_1 = 14 - 8 = 6 \\ pOH_2 = 14 - 9 = 5


OH^-_1 = 10^(-6) M


OH^-_2 = 10^(-5) M

Ratio =
(10^(-5))/(10^(-6)) = 10

so, OH- concentration will become 10 times the initial one
User RahulD
by
7.8k points
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