a) If an object that was once living died 35,500 years ago, what is the exact percentage of the 14C remaining in the sample? (For 14C:t½= 5730 yrs b) How many half-lives must pass before the amount of radioactive material remaining is less than 1% of the original amount?

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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a) If an object that was once living died 35,500 years ago, what
is the exact percentage of the 14C remaining in the sample? (For
14C:t½= 5730 yrs
b) How many half-lives must pass before the amount of
radioactive material remaining is less than 1% of the original
amount?
Transcribed Image Text:a) If an object that was once living died 35,500 years ago, what is the exact percentage of the 14C remaining in the sample? (For 14C:t½= 5730 yrs b) How many half-lives must pass before the amount of radioactive material remaining is less than 1% of the original amount?
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