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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? 5.56 g 6.25 g 16.7 g 25.0 g
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26 votes
26 votes
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? 5.56 g 6.25 g 16.7 g 25.0 g

User Mmmh Mmh
by
2.2k points

2 Answers

18 votes
18 votes

Answer:

its b

Step-by-step explanation:

trust

User Daniellga
by
2.8k points
14 votes
14 votes

Answer:

6.25 gm

Step-by-step explanation:

1 /2 * 1/2 * 1/2 = 1/8th of the original

50/8 = 6.25 gm

User Sanjuro
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3.0k points
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