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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

Answer :

Answer:

6.25  gm

Explanation:

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

  50/8 = 6.25 gm

Answer:

its b

Explanation:

trust

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