The radioactive cobalt isotope, "Co, has an half-life of 63 months and undergoes decay. The m of Co is 59.9338222 amu. A sample initially contains 48 mg of 6°C.. (a) Calculate the number of moles of "Co that are left in the sample after 5.0 years. (b) Calculate the activity of Co after 5.0 years, in units of per month (month).
The radioactive cobalt isotope, "Co, has an half-life of 63 months and undergoes decay. The m of Co is 59.9338222 amu. A sample initially contains 48 mg of 6°C.. (a) Calculate the number of moles of "Co that are left in the sample after 5.0 years. (b) Calculate the activity of Co after 5.0 years, in units of per month (month).
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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