The activity of a freshly prepared radio-active sample is 10 10 disintegrations per second, whose mean life is 10 9 s . The mass of an atom of this radio-isotope is 10 − 25 kg. The mass (in mg) of the radioactive sample is 2 3 4 1 be obtained by heating?

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11-07-2024
Chemistry

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The activity of a freshly prepared radio-active sample is 10 10 disintegrations per second, whose mean life is 10 9 s . The mass of an atom of this radio-isotope is 10 − 25 kg. The mass (in mg) of the radioactive sample is 2 3 4 1 be obtained by heating?

Sagot :

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The activity of a freshly prepared radio-active sample is 10 10 disintegrations per second, whose mean life is 10 9 s . The mass of an atom of this radio-isotope is 10 − 25 kg. The mass (in mg) of the radioactive sample is 2 3 4 1 be obtained by heating?

Sagot :

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