how much of the isotope will be left after 21 years?

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The half-life of 60Co is approximately 5.25 years. In a sample containing 1 g of freshly prepared 60Co, how much of the isotope will be left after 21 years?
07
Jun
The half-life of 60Co is approximately 5.25 years. In a sample containing 1 g of freshly prepared 60Co, how much of the isotope will be left after 21 years? how much of the isotope will be left after 21 years? The half-life of 60Co is approximately 5.25 years. In a sample containing 1 g of [...]
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