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1. Potassium-42 has a half-life of 12.4 hours. How much of an 848 g sample of potassium-42 will be lelt alel 62.0 Ha Number of Time Amount Remaining Fraction Half Lives 3 4. 5. Answer:

1. Potassium-42 has a half-life of 12.4 hours. How much of an 848 g sample of potassium-42 will be lelt alel 62.0 Ha Number of Time Amount Remaining Fraction Half Lives 3 4. 5. Answer:

Chemistry
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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Section 3: Half-Life Practice Questions Directions: Solve the 3 questions below. Use the charts for your calculations. Then type your answers in the YELLOW boxes. 1. Potassium-42 has a half-life of 12.4 hours. How much of an 848 g sample of potassium-42 will be left after 62.0 hours? Number of Time Amount Remaining Fraction Half Lives 4. 5 Answer: 2. A 208 g sample of sodium-24 decays to 13.0 g of sodium-24 within 60.0 h. What is the half-life of this radioactive isotope? t k f m
Transcribed Image Text:Section 3: Half-Life Practice Questions Directions: Solve the 3 questions below. Use the charts for your calculations. Then type your answers in the YELLOW boxes. 1. Potassium-42 has a half-life of 12.4 hours. How much of an 848 g sample of potassium-42 will be left after 62.0 hours? Number of Time Amount Remaining Fraction Half Lives 4. 5 Answer: 2. A 208 g sample of sodium-24 decays to 13.0 g of sodium-24 within 60.0 h. What is the half-life of this radioactive isotope? t k f m
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