Chemistry, 24.01.2021 19:30 Uc34758

4. DBearded waste of Co-60 must be stored until it is no longer radioactive. Cobalt-60 waste weighing 14.5g has been in storage før 26.5 years. How much of this radioisotope
was present when the sample was put in storage?

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4. DBearded waste of Co-60 must be stored until it is no longer radioactive. Cobalt-60 waste weighi...