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1 vote
A solution has a [OH-] of 1 × 10-9. What is the pOH of this solution?

5

7

9

12

1 Answer

6 votes
pOH = - log [ OH⁻ ]

pOH = - log [ 1 x 10⁻⁹ ]

pOH = 9

Answer C

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User Andrew Lavers
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