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Biology, 28.03.2020 05:25 superfly903

A sample of an unknown element contains 20 atoms with a mass of 10.0129 amu and 80 atoms with a mass of 11.0093 amu. calculate the average atomic weight of the element. What is the element?

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A sample of an unknown element contains 20 atoms with a mass of 10.0129 amu and 80 atoms with a mass...
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