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Mamont248
[21]
3 years ago
9
If the pH is 9 what is the concentration of hydroxide ion [OH]? (hint: find the pOH first)
Chemistry
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2
answers:
UkoKoshka
[18]
3 years ago
6
0
Realize that pH + pOH = 14
so, 9 + pOH = 14 -> pOH = 5
pOH = -log[OH-]
5 = -log[OH-]
plug it into a calculator and you get 1.0 x 10^-5
alternatively, use [OH-] = 10^-pOH to get the same answer
[OH-] = 1.0 x 10^-5
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Ghella
[55]
3 years ago
4
0
The answer to this is 7
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