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Biology, 07.02.2021 21:00 jukesjameson12
How long will it take for 40.0 grams of Radium-226 (Ra-226) to decay to leave a total of 2.5 grams of Ra-226? Ra-226 has a half-life of 1600 years.
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How long will it take for 40.0 grams of Radium-226 (Ra-226) to decay to leave a total of 2.5 grams o...
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