ledwards929
ledwards929 ledwards929
  • 03-11-2017
  • Chemistry
contestada

Based on the Law of Conservation of Mass, predict the minimum amount of magnesium that will react with all 16.0 grams of oxygen to produce 40.3 grams of magnesium oxide. need help

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mylifeizamess62
mylifeizamess62 mylifeizamess62
  • 03-11-2017
There are 6.002 x 10^23 atoms in 40.3 g of MgO

Number of atoms in 1 gram=
1.48933003 x 10^22

Number of Magnesium atoms=
1.48933003 x 10^22 x 24.3

=36.190719729 x 10^22

Number of moles= 0.0276319425 moles
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