10.2 Palladium-107 undergoes beta (B) decay (t₁/2 = 6.5 x 105 yr). How long will it take for 12% of 1.25 mol of palladium-107 to decay? You must show your work ar your letter answer in the box to get fult eredit. Your answer: A. 2.0 × 10¹ y B. 1.4 x 10¹ y C. 1.2 x 106 y D. 8.3 × 105 y E. 1.2 x 105 y

Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter18: The Nucleus: A Chemist's View
Section: Chapter Questions
Problem 72AE
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10.2 Palladium-107 undergoes beta (B) decay (t₁/2 = 6.5 x 105 yr). How long will it take for 12% of
1.25 mol of palladium-107 to decay?
You must show your
ter answer in the box to get full-eredit.
Your answer:
A. 2.0 × 107 y
B. 1.4 x 107 y
C. 1.2 x
106 y
D. 8.3 x
105 y
E. 1.2 x 105 y
Transcribed Image Text:10.2 Palladium-107 undergoes beta (B) decay (t₁/2 = 6.5 x 105 yr). How long will it take for 12% of 1.25 mol of palladium-107 to decay? You must show your ter answer in the box to get full-eredit. Your answer: A. 2.0 × 107 y B. 1.4 x 107 y C. 1.2 x 106 y D. 8.3 x 105 y E. 1.2 x 105 y
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