4Na decays β- with a half-life t1/2=15 hours. A solution containing 0.050 μCi of 24Na is injected into a patient's artery. After 4.5 h the patient is taken a blood sample containing 8 pCi/cm3. What does 24Na decay to? Assuming no biological elimination, calculate the liters of blood in the patient.

Chemistry: Matter and Change
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ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter24: Nuclear Chemistry
Section: Chapter Questions
Problem 49A
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24Na decays β- with a half-life t1/2=15 hours. A solution containing 0.050 μCi of 24Na is injected into a patient's artery. After 4.5 h the patient is taken a blood sample containing 8 pCi/cm3. What does 24Na decay to? Assuming no biological elimination, calculate the liters of blood in the patient.

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