rylieredlin rylieredlin

12-05-2022
Chemistry

contestada

Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in a 36.0-g sample after 45 hours

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jsimpson11000 jsimpson11000

12-05-2022

Answer:

4.5 gm left

Explanation:

45 /15 = 3 half lives (1/2 )^3 =1/8 th

1/8 * 36 = 4.5 gm

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