Chemistry, 09.06.2021 22:50 nothingworksoutforme
The radioisotope radon-222 has a half-life of 3.8 days. How much of a 73.9-g sample of radon- (3 222 would be left after approximately 23 days?
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The radioisotope radon-222 has a half-life of 3.8 days. How much of a 73.9-g sample of radon- (3 222...
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