Chemistry, 28.09.2020 02:01 monsterking4549
B What mass of the original isotope will remain after 120 minutes?
Ra-226 has a half-life of 1600 years and decays by alpha emission.
A.
What period of time will be required for 20. grams of this radioisotope to decay to 5.0 grams?
Answers: 3
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B What mass of the original isotope will remain after 120 minutes?
Ra-226 has a half-life of 1600 y...
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