After 40.0 days, how much Ac-225 remains if the starting mass was 91.0 g? Ac-225 has a half life of 10.0 days. Answer: _______ g   (enter your answer to the tenths place)

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter18: Nuclear Reactions
Section: Chapter Questions
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After 40.0 days, how much Ac-225 remains if the starting mass was 91.0 g?

Ac-225 has a half life of 10.0 days.

Answer: _______ g   (enter your answer to the tenths place)

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