A) 7
B) Between 7 and 8
C) Between 8 and 9
D) Between 6 and 7
Correct Answer: C
Solution :
For weak acid and strong base, \[pH=7+\frac{1}{2}p{{K}_{a}}+\frac{1}{2}\operatorname{logC}\] \[=7+\frac{4.74}{2}+\frac{1}{2}\log \,{{10}^{-1}}\]You need to login to perform this action.
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