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a. What is the activiry of Bi-210 (in Ba) after 100 years. b. What is the mass of Bi210 in micrograms after 100 years? A

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a. What is the activiry of Bi-210 (in Ba) after 100 years. b. What is the mass of Bi210 in micrograms after 100 years? A 10g sample is originally pure Pb-210. The decay chain (with half-lives show Question 5 (25)) a. What is the activity of Bi-210 (in Bq) after 100 years. What is the mass of Bi-210 in micrograms after 100 years

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