OsoDeOro6191 OsoDeOro6191

13-09-2022
Chemistry

contestada

in a naturally occurring sample, 69.2 % of copper atoms have 34 neutrons and 30.8 % have 36 neutrons. what is the average mass of the atoms in your drawing? (copper-63 has a mass of 62.92960 amu , and copper-65 has a mass of 64.92779 amu .)

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