Homework Help: Chemistry

Posted by Sophie on Wednesday, April 29, 2009 at 12:00am.

I need help with the following problem: A fabric remnant from a burial site had a 14 C:12 C ratio of 0.838 of the original value. How old is the fabric? (half-life of 14 C = 5370 years)

Chemistry - bobpursley, Wednesday, April 29, 2009 at 9:57am
Amountremaining=Originalamount*e^(-.692t/5370)

.838=e^^-692t/5370)
ln .838=-t/5370
solve for t

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