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Chemistry, 22.07.2019 11:00 liyahheadhigh
Element z has two natural isotopes: z-79 (78.918 amu) and z-81 (80.916 amu). calculate the atomic mass of element z given the abundance of z-81 is 49.31%.
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Element z has two natural isotopes: z-79 (78.918 amu) and z-81 (80.916 amu). calculate the atomic m...
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