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chemistry

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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.

  • chemistry -

    k = 0.693/t1/2
    Solve for k.
    # atoms = No = (1.11/88)*6.02E23) = ?No. Then
    Ro = kNo = ? disintegrations per year. Convert to dps and Ci.

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