Chemistry, 01.11.2019 10:31 littledudefromacross
Samarium-146 has a half-life of 103.5 million years. after 1.035 billion years, how much samarium-146 will remain from a 205-g sample?
0.200 g
0.400 g
20.5 g
103 g
Answers: 2
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Samarium-146 has a half-life of 103.5 million years. after 1.035 billion years, how much samarium-14...
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