How many C-13 atoms are present, on average, in a 19000-atom sample of carbon?
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Expert's answer
2018-01-29T13:58:07-0500
Natural abundance of 13 C is about 1.1%. Find the quantity of 13 C atoms in the sample: N = 19000 × 0.011 = 209 Answer On average, there are 209 13 C atoms in 19000-atom sample of carbon.
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