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Chemistry, 07.10.2021 16:10 abolton04

If a sample of the element Chemistrium (Ch) contain 100 atoms of Ch-12 and ten atoms of Ch-13 (for a total of 110 atoms in the sample), what is the average mass
of Chemistrium? Calculate here:

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If a sample of the element Chemistrium (Ch) contain 100 atoms of Ch-12 and ten atoms of Ch-13 (for...

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