Chemistry, 20.11.2020 22:30, ryliepeloquinf

The half-life of cobalt-60 is 5.26 years. If a sample originally contained 220 grams of this isotope, how many grams would be left after 10.52 years?

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The half-life of cobalt-60 is 5.26 years. If a sample originally contained 220 grams of this isotope...