A) 5
B) 7
C) 9
D) 11
Correct Answer: C
Solution :
NaOH ⇌\[N{{a}^{+}}+O{{H}^{-}}\] \[[O{{H}^{-}}]={{10}^{-5}}\]M ;\[[{{H}^{+}}]\,\,[O{{H}^{-}}]={{10}^{-14}}\] \[[{{H}^{+}}]=\frac{{{10}^{-14}}}{{{10}^{-5}}}\] ; \[[{{H}^{+}}]={{10}^{-9}}\]M ; \[pH=9\].You need to login to perform this action.
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