Question
The half life of Am-241 is 432 y. If 2.00 g of Am-241 is present in a sample, what mass of Am-241 is present after 1000.0 y?
Answers
DrBob222
k = 0.693/t<sub>1/2</sub>
Solve for k and substitute in the equation below.
ln(No/N) = kt
No = 2.00
N = unknown
k from above
t = 1000 years.
Solve for k and substitute in the equation below.
ln(No/N) = kt
No = 2.00
N = unknown
k from above
t = 1000 years.