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Answer to Question #72979 in General Chemistry for haley

Question #72979
How many C-13 atoms are present, on average, in a 19000-atom sample of carbon?
1
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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