Answers Crowley Original Credit Chemistry B Half-LifeQuestion 8

8

QuizMultiple Choice

Half-Life

Question 8 • Crowley Original Credit Chemistry B

Sodium-24 has a half-life of 15 hours. After 45 hours, how much sodium-24 will remain of an original 50.0-g sample?

Answer

A

5.56 g

B

6.25 g

C

16.7 g

D

25.0 g

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