Nuclear Physics and Radioactivity (id: be605d880)

本题目来源于试卷: Nuclear Physics and Radioactivity，类别为 IB物理学

[填空题]
The activity of a samplew7p8d ut;38bat9i :c ftqdpi- om3;o l0*rpbal f $_{16}^{35}\text{S}\ (T_{1/2}=7.55 \times 10^6\ \text{s})$ is $2.4 \times 10^5$ decays per second. What is the mass of the sample? m =    $ \times 10^{-10}\ \text{g}$

参考答案: 1.68±2%


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