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If you had 5 grams of Na and 5 grams of Br, which would have more atoms

  • chemistry -

    Is that 5g Br2?
    moles Na = 5/23 = ??
    # atoms = moles x 6.022E23 = ??

    moles Br2 = 5/about 160 = ?? and since it is Br2, number of atoms is twice that.
    Each mole contains 6.022E23 atoms.
    ?? moles Br2 x (2 atoms Br2/mole Br2) x 6.022E23 = number of atoms Br2.

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