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Textbook Expert
Textbook ExpertVerified Tutor
18 Jan 2022

Given information

Given:
Half-life of is
 
 
here  and  disintegration

To determine:

The mass of the iodine

 

Step-by-step explanation

Step 1.

  To calculate the mass equivalent, we have to find the number of atoms from the activity as below:

here and disintegration

    
  

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