Multiple Choice
The radioactive isotope tritium decays with a first-order rate constant k of 0.056 year¯1. What fraction of the tritium initially in a sample is still present 30 years later?
A) 0.19
B) 0.60
C) 0.15
D) 2.8 *10¯38
E) None of these choices is correct.
Correct Answer:
Verified
Correct Answer:
Verified
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