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Question- The half life of potassium 40 is 1.26*10^9 years. if the natural abundance of K 40 is 0.010% and 3500 disintegration of K 40 occur every 10.0sec, in human body weighing 100kg,then what is the concentration of potassium in clued all isotopes in that body? Assume density of human is 1g/ml
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