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calculate the average atomic mass of copper if 69.15 of naturally occuring copper is cu-63 and 30.85 is cu 65
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calculate the average atomic mass of copper if 69.15 of naturally occuring copper is cu-63 and 30.85 is cu 65

User Reyhn
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The average atomic mass of copper is 63.62
calculate the average atomic mass of copper if 69.15 of naturally occuring copper-example-1
User Morteza
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