AP Chem

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Calculate the number of atoms in 32.0 g Br2.

I keep getting 1.20 * 10^23 atoms Br2 but my book says i'm wrong.

  • AP Chem -

    I wonder if you multiplied the Br2 79 x 2? Its 79.9. I would do 32/160)*2*6.02 x 10^23 = 2.4 x 10^23?

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