Question

The relative atomic mass of boron which consists of the isotopes B10/5 and B11/5 is 10.8 what is the % of B11/5 atom in the isotopic mixture?
Options:
A: 0.8%
B: 8.0%
C: 20%
D: 80%
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Answer 1

Answer:

Your answer is 20%

Explanation:

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