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The half-life of an element X is 3.83 days. A sample of this element is found to have an activity rate of 1.6 x 103...

      

The half-life of an element X is 3.83 days. A sample of this element is
found to have an activity rate of 1.6 x 103 disintegrations per second at a
particular time. Determine its activity rate after 19.15 days

  

Answers


gregory
? Number of half lifes = 19.15/3.83 = 5
? N = N(½)T/t = 6 x 103 (½)5 = 50 days/sec
gregorymasila answered the question on February 7, 2018 at 13:08


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