A) 100 sec
B) 200 sec
C) 400 sec
D) 600 sec
Correct Answer: D
Solution :
\[t=\frac{2.303}{k}\log \frac{a}{a-x}\] \[t=\frac{2.303}{1.155\times {{10}^{-3}}}\log \frac{100}{100-50}=600\,\,\sec \]You need to login to perform this action.
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