Chemistry, 05.07.2019 11:00 kkelley9223
Thorium-234 has a half-life of 24.1 days. how much of a 100-g sample of thorium-234 will be unchanged after 48.2 days?
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Thorium-234 has a half-life of 24.1 days. how much of a 100-g sample of thorium-234 will be unchange...
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