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Chemistry, 14.12.2021 19:50 piperk19

It has taken a radioactive isotope 16.2 years to decay to a mass of 2.5g. The half-life of the radioisotope is 3.24 years. What was the original mass of the isotope?
a.) 10. g
b.) 20. g
c.) 40. g
d.) 80. g

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It has taken a radioactive isotope 16.2 years to decay to a mass of 2.5g. The half-life of the rad...
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