Chemistry, 15.09.2021 03:20 cvhufjbvbcxx9845

The Cs-131 nuclide has a half-life of 30 years. After 120 years, 3.0 g remain. What is the
original mass of the Cs-131 sample in grams?

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The Cs-131 nuclide has a half-life of 30 years. After 120 years, 3.0 g remain. What is the
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