An isotope dilution experiment was performed to determine the chloride content in a given samples. 5 mg of sodium chloride containing 38 Cl (t ½ = 37.3 min) was added to the unknown samples. The specific activity of the added NaCl was 4.0 × 104 cps/mg. What was the total amount of chloride in the original sample if 400 mg of pure AgCl was isolated and if this material has a count rate of 35 cps above background 148 min after addition of radiotracer.
An isotope dilution experiment was performed to determine the chloride content in a given samples. 5 mg of sodium chloride containing 38 Cl (t ½ = 37.3 min) was added to the unknown samples. The specific activity of the added NaCl was 4.0 × 104 cps/mg. What was the total amount of chloride in the original sample if 400 mg of pure AgCl was isolated and if this material has a count rate of 35 cps above background 148 min after addition of radiotracer.
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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An isotope dilution experiment was performed to determine the chloride content in a given samples. 5 mg of sodium chloride containing 38 Cl (t ½ = 37.3 min) was added to the unknown samples. The specific activity of the added NaCl was 4.0 × 104 cps/mg. What was the total amount of chloride in the original sample if 400 mg of pure AgCl was isolated and if this material has a count rate of 35 cps above background 148 min after addition of radiotracer.
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