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Questlen ? Technetium-99, a radioactive tracer used in medicine has a half life of 14.6 hours. How long does it take in hours for the amount of technetium-99 to fall to 52.1% of the original concentration? (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation-examples include 1.23 and 120. and -123 and 123. and 12.3) AMoving to another question will save this response. Question 7 of 29

Questlen ? Technetium-99, a radioactive tracer used in medicine has a half life of 14.6 hours. How long does it take in hours for the amount of technetium-99 to fall to 52.1% of the original concentration? (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation-examples include 1.23 and 120. and -123 and 123. and 12.3) AMoving to another question will save this response. Question 7 of 29

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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Question 7 Technetium-99, a radioactive tracer used in medicine has a half life of 14.6 hours. How long does it take in hours for the amount of technetium-99 to fall to 52.1% of the original concentration? (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation-examples include 1.23 and 120. and -123 and 123. and 12.3) AMoving to another question will save this response Question 7 of 29 4 delete E R T. P S F G H J K return в B shitt alt wntrol Opfion command comm and option
Transcribed Image Text:Question 7 Technetium-99, a radioactive tracer used in medicine has a half life of 14.6 hours. How long does it take in hours for the amount of technetium-99 to fall to 52.1% of the original concentration? (the answer should be entered with 3 significant figures; do not enter units; give answer in normal notation-examples include 1.23 and 120. and -123 and 123. and 12.3) AMoving to another question will save this response Question 7 of 29 4 delete E R T. P S F G H J K return в B shitt alt wntrol Opfion command comm and option
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Half-life ( t1/2) = 14.6 hours

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