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Plutonium-239 has a half-life of about 24,100 years, meaning it takes that long for half of a sample to decay. In 43 years, which is much shorter than the half-life, only a tiny fraction of the plutonium would decay. Therefore, after 43 years, approximately 99.83 grams of the original 100-gram sample would remain.

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2mo ago

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If you had a 100 gram sample of plutonium how much would be left in 43 years?

The half life of the isotope 239Pu (the most known plutonium isotope) is 24,200 years; 43 years is practically nothing in comparison is 24,200 years so you would still have 100 grams.


How much cesium would remain from a 10 g sample after 2 years?

5g would remain


What is half life of plutonium?

The half life of plutonium-239 is 2,41.10e+4 years.


How much cesium would remain from a 10g sample after 4 years?

I suppose that you think to the radioactive isotope Cs-17; After 4 years remain 9,122 g.


How much of an 800-gram sample of potassium-40 will remain after 3.910000000000 years of radioactive decay?

Approximately 400 grams of the potassium-40 sample will remain after 3.91 years, as potassium-40 has a half-life of around 1.25 billion years. This means that half of the initial sample would have decayed by that time.


What total mass of a 16 gram sample of 60co will remain unchanged after 15.8 years?

The half-life of 27Co60 is about 5.27 years. 15.8 years is 3 half-lives, so 0.53 or 0.125 of the original sample of 16 g will remain, that being 2 g.


How much cesium ( half-life2 years) would remain from a 10 g sample after 4 years?

2 1/2 g


How much cesium(half life2 years) would remain from a 10 g sample after 4 years?

2 1/2 g


How much cesium (half-life2 years) would remain from a 10 g sample after 2 years?

2 1/2 g


How much cesium would remain from a 10 g sample after 6 years?

After 6 years, approximately 5 grams of cesium-137 would remain from a 10 g sample due to its half-life of around 30 years. This decay is exponential, with about half of the original sample decaying every 30 years.


What is the half life of plutonium 241?

The half-life of plutonium-241 is about 14 years. This means that it takes approximately 14 years for half of a sample of plutonium-241 to decay into another element.


How much would remain from a 10 g sample after 6 years?

You must know the half life of Caesium to calculate this.