Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion. 4Al(s) + 3O2(g) 2Al2O3(s)
Using the thermodynamic data provided below, calculate S° for this reaction. 
A) 182.3 J/K·mol
B) 131.5 J/K·mol
C) -182.3 J/K·mol
D) -626.2 J/K·mol
E) -802.9 J/K·mol
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