A sample of
(which decays by -emission) has an activity of 14.7 mCi. After
26) 1 d it has an activity of 4.25 mCi. The half-life of 32P is approximately
A) 3.03 d
B) 7.30 d
C) 12.1 d
D) 14.6 d
E) 24.2 d
Correct Answer:
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