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Chemistry, 24.10.2021 01:30 masonballard7266
How long will it take for 25.0 g of Ra-226 to decay to leave a total of 1.56 g? Ra-226 has a half-life of 1600 years.
8000years
4800years
3200years
6400years
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How long will it take for 25.0 g of Ra-226 to decay to leave a total of 1.56 g? Ra-226 has a half-li...
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