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Chemistry, 25.11.2020 21:10, kenishawilkinsoy4mgw
Calculate the average atomic mass of an element containing 39.9% of atoms with a mass of 69 amu and 60.1% of atoms with a mass of 71 amu. Show your work for credit and round your answer to one decimal place.
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Calculate the average atomic mass of an element containing 39.9% of atoms with a mass of 69 amu and...
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