contestada

If the half-life of iodine-131 is 8.10 days, how long will it take a 50.00 g sample to decay to 6.25 g?

Respuesta :

24.3 Days
50/2=25
25/2=12.5
12.5/2=6.25
3 days to decay to 6.25
3(8.1)=24.3