Problem: Cobalt-60, which undergoes beta decay, has a half-life of 5.26 yr.How many beta particles are emitted in 205 s by a 3.55 mg sample of 60Co?

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Cobalt-60, which undergoes beta decay, has a half-life of 5.26 yr.

How many beta particles are emitted in 205 s by a 3.55 mg sample of 60Co?

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Our tutors have indicated that to solve this problem you will need to apply the First Order Half Life concept. You can view video lessons to learn First Order Half Life. Or if you need more First Order Half Life practice, you can also practice First Order Half Life practice problems.