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Posted by on Sunday, February 12, 2012 at 3:52pm.

Cobalt-60, which undergoes beta decay, has a half-life of 5.26 yr. How many beta particles are emitted in 190s by a 3.10mg sample of Co-60? What is the activity of the sample in Bq?

  • Chemistry - , Sunday, February 12, 2012 at 5:23pm

    See your other post.

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