Chemistry, 25.09.2019 03:00 allimaycatp8qgaq

The half life of the radioactive element strontium-90 is 29.1 years. if 16 grams of strontium-90 are initially present, how many grams are present after 58.2 years? after 291 years?

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The half life of the radioactive element strontium-90 is 29.1 years. if 16 grams of strontium-90 are...