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The half-life of ^198Au is 2.7 days.(a) ...

The half-life of ``^198Au` is 2.7 days.(a) Find the activity of a sample containing `1.00 mu g ` of ``^198Au`.(b) What will be the activity after 7 days ? Take the atomic weight of ``198Au` to be `198 g mol^-1`.

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