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mixas84 [53]
3 years ago
10

Copper has two isotopes. Copper-63, which has an atomic mass of of 62.93 u and copper-65, which has an atomic mass of 64.93 u. I

n any sample of copper atoms, 69.1% will be copper-63 and 30.9% will be copper-65. Calculate the average atomic mass of naturally occurring copper. {Can someone pleases help me.}

Chemistry
1 answer:
Svetach [21]3 years ago
3 0

Answer:

for more details are in the pic

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