The value of ΔH° for the following reaction is -3351 kJ.
2Al(s) + 3O2(g) → 2Al 2O3(s)
What is the ΔH° for the formation of 75.0 g of Al 2O3(s) (kJ)?
a. -2.51 x 107
b. -1.26 x 105
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