Asked by jezebel
Iodine-131 has a half life of eight days. What mass of iodine-131 would remain from a 20g sample after 32 days?
Answers
Answered by
DrBob222
k = 0.693/t<sub>1/2</sub>
ln(No/N) = kt
No = 20g
N = solve for this
k from above.
t = 32 days.
ln(No/N) = kt
No = 20g
N = solve for this
k from above.
t = 32 days.
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