Chemistry, 29.07.2019 21:10, Mexicochan

Copper exists naturally as two isotopes copper-63 with a mass of 62.93 amu and copper-65 with a mass of 64.93 amu. the average mass of copper is 63.55 amu. what is the approximate abundance of copper-63 in nature?

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Copper exists naturally as two isotopes copper-63 with a mass of 62.93 amu and copper-65 with a mass...