half life of tritium is 12.5 years. how much will remain after 100 years if you started wit 256 grams?
First determine k.
k = 0.593/t1/2, then substitute the value of k into the equation below.
ln(256/N) = k(100)
Solve for N in grams.
Thanks so much!
I made two typos. k = 0.693/t1/2