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The isotope 226Ra has a half-life for radioactive decay of 1600 y. How long will it take the amount โ€” Kinetics Chemistry Question

Question

The isotope 226Ra has a half-life for radioactive decay of 1600 y. How long will it take the amount of 226Ra in a sample of 226RaCl2 to decrease by 25%?

A.

660 y

โœ“ Correct
B.

800 y

C.

1200 y

D.

1600 y

๐Ÿ’ฌ
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