A) 2
B) 2.42
C) 3
D) 3.42
Correct Answer: B
Solution :
\[pH=-\log \,[{{H}^{+}}]\] \[pH=-\log \,[3.8\times {{10}^{-3}}]\] \[pH=-(-3\log 10+\log 3.8)\] \[=+3-0.5798=2.4202\approx 2.42\]You need to login to perform this action.
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