Calculate the activity of K40 in 100kg man assuming that 0.35% of the body weight is potassium. The abundance of K40 is 0.012%, its half life is 1.31 109 years [ Avagadro number, N= 6.023 106] .
1
Expert's answer
2019-04-08T12:56:48-0400
The number of atoms 40K N = 6*1023*350*12*10-5/40 = 6.3*1020, then the activity A = λN = 0.69*6.3*1020/(1.31*109*365*24*3.6*103) = 1.05*104 (s-1).
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
Comments
Leave a comment