k = 0.693/t1/2
Substitute k into the equation below:
ln(No/N) = kt.
No = initial = 120g
N = final = 7.50g
k from above.
Solve for t.
Thallium -208 has a half-life of 3.053 min. How long will it take for 120g t decat ot 7.50g
1 answer
1 answer