Question

Phosphorus-32 has a half-life of 14.0 days Starting with 4.00 g of 2P how many grams will remain after 112 days?

Answer 1

You'll be left with 0.25 g of phosphorus-32. The nuclear half-life of a radioactive isotope expresses the time needed for a sample of that isotope to reach half of its initial value. In your case, regardless with how much phosphorus-32 you start with, you'll be left with half of that initial mass after 14.0 days.

Step-by-step explanation: