posted by Ruby on .
What mass iron(III) oxide could be produced from 8.2 mol of oxygen gas in the synthesis of iron(III)?(Balanced equation)
4Fe + 3O2 ==> 2Fe2O3
Using the coefficients in the balanced equation, convert 8.2 moles oxygen to moles Fe2O3.
Now convert moles Fe2O3 to grams. grams = moles x molar mass.