A) 8.23
B) 9.41
C) 7.01
D) 5.91
Correct Answer: C
Solution :
\[BOH+HA\xrightarrow{{}}{{B}^{+}}+{{A}^{-}}+{{H}_{2}}O\] \[pH=\frac{1}{2}p{{K}_{w}}+\frac{1}{2}p{{K}_{a}}-\frac{1}{2}p{{K}_{b}}\] \[=\frac{1}{2}(14+4.80-4.78)=7.01\]You need to login to perform this action.
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