Question
There are 3.29g of iodine -126 remaining in a smple originally containing 26.3 g of Iodine - 126 the half life of Iodine - 126 is 13 days. How old is the sample?
At study hall test is after lunch and cant figure out htese 2 on my review packet
At study hall test is after lunch and cant figure out htese 2 on my review packet
Answers
bobpursley
WEll, follow the formula...
amountremaining=Original*e^(-.692t/13)
3.29/26/3= e^(-.692t/13)
take the ln of each side
-.207 = -.692t/13
solve for t in days.
amountremaining=Original*e^(-.692t/13)
3.29/26/3= e^(-.692t/13)
take the ln of each side
-.207 = -.692t/13
solve for t in days.
Related Questions
There are 3.29g of Iodine 126 remaining in a smaple originally containing 26.3 g of iodine 126 the h...
Iodine-131 is used to destroy thyroid tissue in the treatment of an overactive thyroid. the half-lif...
can you help me with this .
20 Iodine – 125 emits gamma rays when it decays to Tellerium-125 and...
can you help me with this .
20 Iodine – 125 emits gamma rays when it decays to Tellerium-125 and ha...