Phosphorus-32 is radioactive and has a half life of 14.3 days. How long would it take a sample to decay from 2.20 mg to 600 #mu#g?
1 Answer
Nov 1, 2016
26.8 days.
Explanation:
The equation for 1st order decay is:
We can get the value of the decay constant
Taking natural logs of both sides:
Putting in the numbers and converting to milligrams: