Chemistry, 04.07.2019 13:40 ddvinks6825
The half life of 226/88 ra is 1620 years. how much of a 220 g sample of 226/88 ra will be left after 10 half lives?
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The half life of 226/88 ra is 1620 years. how much of a 220 g sample of 226/88 ra will be left after...
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