Suppose that you start with 103 g of a pure radioactive
Suppose that you start with 103 g of a pure radioactive substance and 2 h later determine that only 0:25 103 g of the substance remains. What is the half-life of this substance?
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suppose that you start with 103 g of a pure radioactive substance and 2 h later determine that only 025 103 g of the
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