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16 October, 23:35

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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Answers (1)
  1. 16 October, 23:36
    0
    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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