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March 27, 2017

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the mass of an individual atom of fluorine is 19 amu. how many atoms would weigh a total of 1.7455x10-3g of this element if the mass of 1 amu is 1.6650x10-24

  • chemistry - ,

    Divide 1.7455x10-3 g by the mass of one F atom, which is 19*1.6650x10-24 g
    That will give you the number of atoms.

  • chemistry - ,

    i got 1.812e-25 but it says that not the correct answer

  • chemistry - ,

    it didn't work

  • chemistry - ,

    1.7455e-3/(19*1.6650e-24) is not 1.812e-25

  • chemistry - ,

    ty

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