The half-life of ^198 Au is 2.7 days. Ca...

The half-life of `^198 Au` is `2.7 days`. Calculate (a) the decay constant, (b) the average-life and (C ) the activity of `1.00 mg` of `^198 Au`. Take atomic weight of `^198 Au` to be `198 g mol^(-1)`.

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