The radioactive nuclide 199Pt has a half-life of 30.8 minutes. A sample is prepared that has an
Question:
(a) How many 199Pt nuclei are initially present in the sample?
(b) How many are present after 30.8 minutes? What is the activity at this time?
(c) Repeat part (b) for a time 92.4 minutes after the sample is first prepared.
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a No dN 75610 Bq 75610 decayss 1 dt 1 dN 1227 dt 0693 Ty 75610 decayss 37510 ...View the full answer
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