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

The half-life of `Au^(198)` is 2.7 days. The activity of 1.50 mg of `Au^(198)` if its atomic weight is `198 g mol^(-1)` is `(N_(A)=6xx10^(23)//mol)`

A

240 Ci

B

357 Ci

C

252 Ci

D

235 Ci

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