A High Temperature Reaction Vessel Is Charged with 0

question 5

Multiple Choice

A high temperature reaction vessel is charged with 0.5080 mol of iron powder and 42.1 L of oxygen gas at standard temperature at pressure.On heating,the iron and oxygen react according to the balanced reaction below.
4Fe(s) + 3O₂(g) → 2Fe₂O₃(s)
After the reaction vessel is cooled,and assuming the reaction goes to completion,what volume of oxygen remains?

• A)33.5 L
• B)42.1 L
• C)26.9 L
• D)8.53 L
• E)0.254 L

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