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The gas sulfur dioxide, SO2, oxidizes to form another gas, sulfur trioxide, SO3. How many oxygen atoms are present in 3.20 g of sulfir trioxide?

  • Chemistry -

    How many mols SO3 do you have? mols SO3 = grams/molar mass
    O atoms in SO3 = 3 O atoms/1 molecule; therefore, 3x that value = mols O atoms.
    Then there are 6.02E23 O atoms in 1 mol O atoms; therefore, there are ..... O atoms.

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