The radioisotope 99mTc undergoes gamma decay with a rate constant k = 0.116 h-1. How much time is re — Kinetics Chemistry Question
Question
The radioisotope 99mTc undergoes gamma decay with a rate constant k = 0.116 h-1. How much time is required for its activity to decrease to 10.0% of its original activity?
A.✓ Correct
19.8 h
B.
7.76 h
C.
5.98 h
D.
1.16 h
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