Condisder the balanced chemical equation shown. A table of molecular weights is given below. 4 FeCr2O4 + 8 Na2CO3 + 7 O2 → 8 Na2CrO4 + 2 Fe2O3 + 8 CO2 • How many grams of Na2CrO4 can be produced by the reaction of 82.50 grams of FeCr2O4 and an excess amount of all other reactants? Molecular Weights FeCr2O4 223.833 g/mol Na2CO3  105.988 g/mol O2      31.998 g/mol Na2CrO4 161.972 g/mol Fe2O3   159.687 g/mol CO2     44.009 g/mol

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Condisder the balanced chemical equation shown. A table of molecular weights is given below.

4 FeCr2O4 + 8 Na2CO3 + 7 O2 → 8 Na2CrO4 + 2 Fe2O3 + 8 CO2

• How many grams of Na2CrO4 can be produced by the reaction of 82.50 grams of FeCr2O4 and an excess amount of all other reactants?
Molecular Weights
FeCr2O4 223.833 g/mol
Na2CO3  105.988 g/mol
O2      31.998 g/mol
Na2CrO4 161.972 g/mol
Fe2O3   159.687 g/mol
CO2     44.009 g/mol

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