A sample of 215Bi, which beta decays (t1/2 = 2.4 min), initially contains one-hundreth of Avogadros number
Question:
(a) What is the sample’s mass?
(b) Write down the beta decay equation and predict the product nucleus.
(c) How many bismuth nuclei are present after 10 min?
(d) After 1.0 h?
(e) What are the activities, in curies and becquerels, at these times?
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a 215 g of 215 Bi contains 602 10 23 atoms and h...View the full answer
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