22. Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in an 42.0-g sample after 90 hours?

Koen asked Oct 9, 2022

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Koen asked Oct 9, 2022

by Koen

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14 votes

Answer:

The answer would be 0.65625

Medinoc answered Oct 13, 2022

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