Chemistry, 29.08.2019 08:00 masie03

Copper has two isotopes. the one isotope (copper-63) has an abundance of 69.2% and a mass of 62.930 amu. the second isotope (copper-65) has an abundance of 30.8% and a mass of 64.928 amu. calculate the average atomic mass of copper. 62.930 amu 63.545 amu 63.929 amu 64.928 amu

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Copper has two isotopes. the one isotope (copper-63) has an abundance of 69.2% and a mass of 62.930...