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
SCIENCE PLEASE HELP - bobpursley, Friday, February 8, 2008 at 1:34pm
WEll, follow the formula...
take the ln of each side
-.207 = -.692t/13
solve for t in days.