Physics, 06.05.2020 08:40, mckennayoshz

If the half-life of iodine-131 is 8.10 days, how long will it take a 50.00 g sample to decay to 6.25 g?

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If the half-life of iodine-131 is 8.10 days, how long will it take a 50.00 g sample to decay to 6.25...