A radioactive sample of 60Co (t1/2 = 5.271 y) has a β - activity of 4.4 x 107 Bq. How many grams of 60Co are present?
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A radioactive sample of 60Co (t1/2 = 5.271 y) has a β - activity of 4.4 x 107 Bq. How many grams of 60Co are present?
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