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Calculate the average atomic mass of a sample of silicon has that has the following isotopes with the masses and relative abundances shown below:

Calculate the average atomic mass of a sample of silicon has that has the following isotopes with the masses and relative abundances shown below: Isotope Mass (amu) Abundance (%) 28Si 27.9769 92.70 29si 28.9765 4.02 30si 29.9738 3.28

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