Question
Asked Oct 15, 2019
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How many moles of Fe atoms must combine with 2.33 moles of O atoms to form Fe2O3 (Iron III Oxide)?

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Expert Answer

Step 1

A chemical reaction is symbolic representation of the conversion of substances to new substances.

In a chemical reaction; the substance which involves in conversion is said to be reactant whereas the newly formed substance is called as product. Both reactant and products must be separated by arrow.

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A B (Reactant)(Product)

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Step 2

The balance chemical reaction of Fe with O2 to form Fe2O3 is:

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4 Fe 3 02 2 Fe,O

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Step 3

 Moles of O atoms = 2.33 moles

3 moles of O2 =  3 x2 = 6 moles of O atoms

4 moles of Fe = ...

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4 moles of Fe 2.33 moles of O atoms x 1.55 moles of Fe 6 moles of O atoms

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