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Whelan Whelan
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Posts: 3158
7 years ago
Neptunium-239 has a half-life of 2.35 days. How many days must elapse for a sample of 239Np to decay to 3.00% of its original quantity?
A) 0.0841 days
B) 0.967 days
C) 1.03 days
D) 11.9 days
Textbook 

Introductory Chemistry Essentials


Edition: 5th
Author:
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hbutler2hbutler2
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Posts: 3070
7 years ago
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Anonymous
wrote...
A year ago
Neptunium-239 has a half-life of 2.35 days. How many days must elapse for a sample of 239 Np to decay to 1.00% of its original quantity? 0.736 days 0.0640 days 1.36 days 15.6 days
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A month ago
Thank you so much
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2 weeks ago
Thanks!
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