muniraahmed33 muniraahmed33
  • 12-01-2023
  • Chemistry
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Copper has two naturally occurring isotopes.69.15 % of copper atoms are Cu-63 and have a mass of 62.93 AMU. The other 30.85 % of copper atoms are Cu-65 and have a mass of 64.93 AMU What is the atomic mass of copper?

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