A) 24.2 min
B) 58.2 min
C) 102.2 min
D) 120.2 min
Correct Answer: B
Solution :
\[k=\frac{2.303}{t}\log \frac{a}{a-x}\] \[\frac{0.693}{T}=\frac{2.303}{t}\log \frac{100}{100-30}\] \[\therefore \,\,T=58.2\]min.You need to login to perform this action.
You will be redirected in
3 sec