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carbon 14 has a half life of 5715 years. If you start with a 5 gram sample of 14C, what mass is left after 15,000 years?
13 years ago

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DrBob222
k = 0.693/t<sub>1/2</sub>
solve for k.

ln(No/N) = kt
No = 5.00 g
N = ?
k from above.
t = time in years = 15,000
13 years ago
Mima
Thank you so much.
13 years ago

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