Question 3 (1 point)
Michelle is trying to find the average atomic mass of a sample of an unknown
element. She finds that her sample contains 28.49% of an isotope with a mass of
56.2925, while the rest of the sample is an isotope with a mass of 52.4566. What is
the average atomic mass of her sample? Please round your answer to 0.01 amu.
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