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Answer to Question #80133 in General Chemistry for Emily Jane

Question #80133
How many B -11 atoms are present, on average, in a 10,000-atom sample of boron? (natural abundance is 80.2%)
1
Expert's answer
2018-08-27T04:29:57-0400
Quantity of 11B = [Number of atoms in sample] x [Natural abundance of isotope]
Q = 10000 * 0,802 = 8020 atoms

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