If the pH of the solution is 9 its OH− ions concentration is:
Correct answer: A. 10−5
- A. 10−5
- B. 5
- C. 10−9
- D. 9
Explanation
As we know that,pH+pOH=14pOH=14-9=5Also, pOH=log[OH-][OH-]=antilog(pOH)[OH]=antilog (5)[OH]=10-5
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