yungking2172 yungking2172
  • 20-12-2022
  • Chemistry
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neutron activation analysis for a sample of a rock revealed the presence of 140 56ba , which has a half-life of 12.5 days . assuming the isotope was freshly separated from its decay products, what is the mass of 140 56ba in a sample emitting 1.00 mci of radiation?

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