Question

Potassium-42 has a half life of 12.4 hours. How much of an 848 g sample of potassium-42 will be left after 62.0 hours?
Please help me!!

Answer 1

We prefer if you keep the same screen name. Look at your other radioisotope problems.

Answer 2

Potassium-42 has a half-life of 12.4 hours.How much of an 2000 g sample of potassium-42 will be left after 62.0 hours? Can u help me out with this question.

Answer 3

For Cindy, the answer is 26.5 grams.
For Alex, it's 62.5 grams.

Answer 4

Please help me solve the question

Answer 5

I have a similar question but instead the amount of grams is 848 and the second amount of time is 37.2