Question

Thorium 234 has a half life of 24 days and a beginning sample of 64-g. I need to know the total number of days after each half life and mass remaining after each half life.

Answer 1

@\u shall post it in physics corner

Answer 2

You shoudl post this in the chemistry section

Answer 3

64g
32g (24 days later)
16g (48 days later)
8g (72 days later)
4g (96 days later)

This is a 1st order half life.