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20 September, 19:22

What is 5.06 grams of oxygen in atoms

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  1. 20 September, 19:34
    0
    Number of moles=mass of oxygen / molar mass of oxygen=5.06/16=0.38mol

    number of atoms of oxygen=number of moles of oxygen x Avogadro's number=0.38x6.022x10 to the power 23=2.29x10 to the power 23 atoms
  2. 20 September, 20:08
    0
    Convert grams to mols and then mols to atoms using Avogadro’s number (6.02 x 10^23).

    5.06 g O2 / 32 g O2 x (6.02 x 10^23)
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