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For a radioactive isotope with t1/2 38.7 hr, how many hours will it take for a 3.27 mCi sample to decay to .351 mCi? O 86.4 O 189 O.0567 O 54.1

For a radioactive isotope with t1/2 38.7 hr, how many hours will it take for a 3.27 mCi sample to decay to .351 mCi? O 86.4 O 189 O.0567 O 54.1

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Solve second part please.
For the same radioactive isotope as in the previous problem, which has t1/2 = 38.7 hr, how many mg are left if 43.7 mg sample of the isotope decays for 6.15 hr? О 39.1 0.0255 O 33.9 О 37.3 О 397
Transcribed Image Text:For the same radioactive isotope as in the previous problem, which has t1/2 = 38.7 hr, how many mg are left if 43.7 mg sample of the isotope decays for 6.15 hr? О 39.1 0.0255 O 33.9 О 37.3 О 397
For a radioactive isotope with t1/2 %D 38.7 hr, how many hours will it take for a 3.27 mCi sample to decay to .351 mCi? O 86.4 O 189 0.0567 O 54.1 125
Transcribed Image Text:For a radioactive isotope with t1/2 %D 38.7 hr, how many hours will it take for a 3.27 mCi sample to decay to .351 mCi? O 86.4 O 189 0.0567 O 54.1 125
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