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Grade: 12th pass
        
2. Two radioactive nuclides A and B have half life 175 min and 25 mins respectively. A fresh sample
contains nuclides of B to be 32 times that of A. How much time should elapse so that number of nuclides
of A becomes twice that of B ?
5 months ago

Answers : (1)

Adarsh
764 Points
							
Dear,
use the formula of half life time for 1st order reaction , t1/2=0.693/k
find k for both reaction then using integrated rate law for 1st order reaction find the value of time 
integrated rate law =ln [A] = –kt + ln [A]o
hope this will help , if you are not able to get the answer then let me know i will send you step by step solution ..
Thanks and Regards 
Adarsh
5 months ago
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