Chemistry, 11.10.2019 05:30 ShernelQS17

In 1978, a 200-gram sample of cobalt-60 was buried in the yucca mountains, just northwest of las vegas, nevada. how much of this sample was present in 2004? the half-life of cobalt-60 is 5.23 years.

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In 1978, a 200-gram sample of cobalt-60 was buried in the yucca mountains, just northwest of las veg...