Using the equation, 4fe + 3o2 imported asset 2fe2o3, if 8 moles of iron and oxygen from the air were available, how many moles of iron (iii) oxide would be produced?

4 moles

5 moles

6 moles

8 moles

The correct answer is 4 moles.

Explanation:

For the given chemical reaction:

Oxygen from air is available which means it is present in excess. Iron is considered as a limiting reagent because it limits the formation of products.

By Stoichiometry of the reaction:

4 moles of iron produces 2 moles of iron oxide.

So, 8 moles of iron will produce = of iron oxide.

Hence, the correct answer is 4 moles.

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