Multiple Choice
A pure sample of tritium, 3H, was prepared and sealed in a container for a number of years. Tritium undergoes β decay with a half-life of 12.32 years. How long has the container been sealed if analysis of the contents shows there are 5.25 mol of 3H and 6.35 mol of 3He present?
A) 2.34 y
B) 3.38 y
C) 9.77 y
D) 14.1 y
E) 25.6 y
Correct Answer:

Verified
Correct Answer:
Verified
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