ch42-p046 - 46. Combining Eqs. 42-20 and 42-21, we obtain...

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MN M M RT sam K A g/mol mol == F H G I K J × F H G I K J 12 23 2 40 602 10 / ln . / which gives 0.66 g for the mass of the sample once we plug in 1.7 × 10 5 /s for the decay rate and 1.28
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