The activity of a freshly prepared radioactive sample is 1010 disintegrations per second, whose mean...

The activity of a freshly prepared radioactive sample is 1010 disintegrations per second, whose mean life is 109 s. The mass of an atom of this radioisotope is 10-25kg. The mass (in mg) of the radioactive sample is?

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Asked by saidi on 30th March, 2024

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