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  • 21-12-2022
  • Chemistry
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5. Определите изотопный состав природного таллия (в долях соответствующих
изотопов), если в природе встречаются изотопы таллий-207 и таллий-203, a
атомная масса таллия равна 204,37 Дн.
52 10t

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