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. Copper consists of two isotopes. They are copper-63 and copper-65 with atomic

ID: 950434 • Letter: #

Question

. Copper consists of two isotopes. They are copper-63 and copper-65 with atomic masses of 62.93 amu and 64.9278 amu, respectively. The atomic mass of copper is 63.55 amu. Which isotope of copper is more abundant? . Copper consists of two isotopes. They are copper-63 and copper-65 with atomic masses of 62.93 amu and 64.9278 amu, respectively. The atomic mass of copper is 63.55 amu. Which isotope of copper is more abundant? . Copper consists of two isotopes. They are copper-63 and copper-65 with atomic masses of 62.93 amu and 64.9278 amu, respectively. The atomic mass of copper is 63.55 amu. Which isotope of copper is more abundant?

Explanation / Answer

Abundance of Cu-63 is 69.17

Abundance of Cu-65 is 30.83

The most abundant isotope of copper is Cu-63