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Author Question: The half-life of is 28.1 years. How long will it take a 10.0-g sample of to decompose to 0.66 g? (Read 34 times)

Destiiny22

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on: Mar 21, 2021

Question 1

The half-life of is 28 years. How long will it take for a given sample of to be 85 % decomposed?

◦ 9.0 half-lives
◦ 7 years
◦ 77 years
◦ 1.9 years
◦ None of these are correct.

Question 2

The half-life of is 28.1 years. How long will it take a 10.0-g sample of to decompose to 0.66 g?

◦ 74 years
◦ 220 years
◦ 110 years
◦ 165 years
◦ None of these are correct.
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Marked as best answer by Destiiny22 on Mar 21, 2021

Leostella20

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Destiiny22

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Reply 2 on: Mar 21, 2021
Thanks for the timely response, appreciate it

lindahyatt42

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Reply 3 on: Yesterday
Wow, this really help

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