After decaying for 48 hours, l/16 of the original mass of a radioisotope sample remains unchanged. What is the half-life of this

Question

garri49 [273]

3 years ago

9

After decaying for 48 hours, l/16 of the original mass of a radioisotope sample remains unchanged. What is the half-life of this

radioisotope?

Chemistry

1 answer:

ivolga24 [154] · Answer 1 · 2022-03-29T06:46:45+03:00

ivolga24 [154]3 years ago

3 0

After the first half-life, 1/2 is unchanged. After the 2nd one, 1/4 remains. After the 4th one, 1/16 remains. So you have 4 half-lives in 48 hours, the half-life is thus 12 hours.