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Chemistry, 13.10.2020 01:01 yselahernandez02

What is the half-life of an isotope if 62.5 g of a 500. g sample remains after 18 years? PLS ASAP I NEED THIS

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What is the half-life of an isotope if 62.5 g of a 500. g sample remains after 18 years? PLS ASAP I...
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