Chemistry, 25.01.2021 20:20 gabbypittman20
A sample of sodium-24 with an activity of 14 mCi is used to study the rate of blood flow in the circulatory system. If sodium-24 has a half-life of 15 h what is the activity after each of the following intervals?
a. one half-life
b. 30h
c. three half-lives
d. 2.5 days
Answers: 3
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