Homework Help: chemistry math

Posted by ronny on Wednesday, October 15, 2008 at 8:19pm.

linen scrolls contain 80.9% of Carbon-14. how old are the scrolls if the half-life for deacy is 5.73X10^3??

plz tell me what type of equation to use.

chemistry math - GK, Friday, October 17, 2008 at 2:06pm
ln(M/Mo) = -kt

ln = natural log
M = mass left (not needed)
Mo = original mass (not needed)
(M/Mo) = 0.809
k = 0.693/T(half)
T(half) = 5.73X10^3 years.
chemistry math - GK, Friday, October 17, 2008 at 2:08pm
ln(M/Mo) = -kt

ln = natural log
M = mass left (not needed)
Mo = original mass (not needed)
(M/Mo) = 0.809
k = 0.693/T(half)
T(half) = 5.73X10^3 years.
chemistry math - GK, Friday, October 17, 2008 at 2:11pm
ln(M/Mo) = -kt

ln = natural log
M = mass left (not needed)
Mo = original mass (not needed)
(M/Mo) = 0.809
k = 0.693/T(half)
T(half) = 5.73X10^3 years.

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