Radioactive decay can be described by the following equation In A = In Ao – kt where Ao is the original amount of the substance, A is the amount of the substance remaining after time t, and k is a constant that is characteristic of the substance. For the radioactive isotope lead-210, k is 3.30 × 10~2 years If the original amount of lead-210 in a sample is 60.0 mg, how much lead-210 remains after 24.6 years have passed? mg
Radioactive decay can be described by the following equation In A = In Ao – kt where Ao is the original amount of the substance, A is the amount of the substance remaining after time t, and k is a constant that is characteristic of the substance. For the radioactive isotope lead-210, k is 3.30 × 10~2 years If the original amount of lead-210 in a sample is 60.0 mg, how much lead-210 remains after 24.6 years have passed? mg
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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Transcribed Image Text:Radioactive decay can be described by the following equation
In A = In Ao – kt
where Ao is the original amount of the substance, A is the amount of the substance remaining after time t, and k is a constant that is characteristic of the
substance.
-1
For the radioactive isotope lead-210, k is 3.30 x 10
years
If the original amount of lead-210 in a sample is 60.0 mg, how much lead-210 remains after 24.6 years have passed?
mg
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