A drug containing 9943Tc with an activity of 2.00 μCi is to be injected into a patient at 11:00 am. A sample is prepared 4.00 hours before the injection (at 7:00 am). The activity of the drug have at the preparation time (7:00 am) was 3.16 μCi. What is the half-life of 9943Tc? A. 6.05 hr B. 8.74 hr C. 12.6 hr D. 7.45 hr E. 6.91 hr
A drug containing 9943Tc with an activity of 2.00 μCi is to be injected into a patient at 11:00 am. A sample is prepared 4.00 hours before the injection (at 7:00 am). The activity of the drug have at the preparation time (7:00 am) was 3.16 μCi. What is the half-life of 9943Tc? A. 6.05 hr B. 8.74 hr C. 12.6 hr D. 7.45 hr E. 6.91 hr
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A drug containing 9943Tc with an activity of 2.00 μCi is to be injected into a patient at 11:00 am. A sample is prepared 4.00 hours before the injection (at 7:00 am). The activity of the drug have at the preparation time (7:00 am) was 3.16 μCi. What is the half-life of 9943Tc?
A. 6.05 hr
B. 8.74 hr
C. 12.6 hr
D. 7.45 hr
E. 6.91 hr
Transcribed Image Text:99 To
A drug containing 43
sample is prepared 4.00 hours before the injection (at 7:00 am). The activity of the drug have at the
with an activity of 2.00 µCi is to be injected into a patient at 11:00 am. A
43 Te.
preparation time (7:00 am) was 3.16 µCi. What is the half-life of
A. 6.05 hr
В. 8.74 hr
С. 12.6 hr
D. 7.45 hr
E. 6.91 hr
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