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April 25, 2015

Homework Help: Physics

Posted by Beth on Sunday, July 29, 2012 at 12:18am.

Determine the activity of 1.11 g of 88Ra226 (a) in disintegrations per second (Bq) (b) and in Curies (Ci). The half-life is 1600 yr (1 yr = 3.156 x 10^7 s). 1 Ci is equal to 3.7 x 10^10 Bq.

I keep getting the wrong answer and use the equation H=kNo

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