Content: fiz044_09.doc (41.50 KB)
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9. The initial mass of the radioactive isotope Iodine 13153I (half-life T1 / 2 = 8 days) is equal to 1 year to determine: 1) the initial activity of the isotope; 2) its activity after 3 days.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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