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22-04-2020
Chemistry

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How many atoms are in 3.89 moles of Cu?

2.34 X 1024 atoms

2,340 atoms

6.46 X 10-24 atoms

6.02 X 1023 atoms

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22-04-2020

Answer:

2.34×10^24

Explanation:

N=n×Na

N=3.89×(6.02×10^23)

N=2.34×+0^24 atoms of Cu

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