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OpenStudy (anonymous):
The half-life of tritium,or hydrogen 3, is 12.32 years. After about 24.6 years, how much ofthesample tritium will remain unchanged?
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OpenStudy (joannablackwelder):
24.6 years is about 2 half lives. Half of the sample will remain after 1 half life, then half of that half will remain after the second half-life. That is a quarter of the sample left after 2 half-lives.
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