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A) Radon gas has a half-life of 3.83 days. If 3.18 g of radon gas is...

A) Radon gas has a half-life of 3.83 days. If 3.18 g of radon gas is present at time t = 0, what mass of radon will remain after 2.10 days have passed?
____ g

B) A drug tagged with 9943Tc (half-life = 6.05 h) is prepared for a patient. If the original activity of the sample was 1.2  104 Bq, what is its activity (R) after it has been on the shelf for 1.2 h?
_____Bq

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  1. The above problem is related to decay of material after some time.
  2. All the necessary steps are clearly mentioned and easy to understand.
  3. Hope the answer will help you. Thank you for your support.
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