Multiple Choice
A sample of a radioactive isotope is found to have lost 26.6% of its original activity after 3.21 days.What is the rate constant for decay of this isotope?
A) 0.096 d−1
B) 0.413 d−1
C) 0.993 d−1
D) 0.0735 d−1
E) 1.34 d−1
Correct Answer:

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Correct Answer:
Verified
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