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Balanced Chemical equation: 4Fe + 3O2 ---> 2Fe2O3 ***PLEASE show math; I really want to understand...

Balanced Chemical equation: 4Fe + 3O2 ---> 2Fe2O3 ***PLEASE show math; I really want to understand this better****

A) If 1.5 mol of Fe are burned in oxygen, how many mols of Fe2O3 are formed?

B) How many mols of oxygen were used?

C) How many mols of Fe and O2 are required to produce 3.5 mols of Fe2O3?

D) Given 5.00 grams of Fe, how many grams of Fe2O3 are formed?

E) How many molecules of O2 are needed to react with 1.50 mols of Fe?

F) If 15.5 grams of Fe2O3 are formed, how many grams of Fe and O2 must have been used up in the reaction?

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