A) 5
B) 10
C) \[{{10}^{-5}}\]
D) \[{{10}^{-9}}\]
Correct Answer: D
Solution :
\[pH=5\,\,\text{means}\,\,[{{H}^{+}}]={{10}^{-5}}\] \[pOH=14-pH=14-5=9\] \[[O{{H}^{-}}]={{10}^{-pOH}}={{10}^{-9}}\]You need to login to perform this action.
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