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 iodine-131, k is 8.62 × 10-² days ¹. If the original amount of iodine-131 in a sample is 69.6 mg, how much iodine-131 remains after 8.52 days 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 iodine-131, k is 8.62 × 10-² days ¹. If the original amount of iodine-131 in a sample is 69.6 mg, how much iodine-131 remains after 8.52 days 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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