Given the Following Data: S(g)+ O₂(g)→ SO₂(g)

Multiple Choice

Given the following data: S(g) + O₂(g) → SO₂(g)
Δ_rG° = -300.1 kJ/mol-rxn
2 S(g) + 3 O₂(g) → 2 SO₃(g)
Δ_rG° = -742.1 kJ/mol-rxn
Calculate Δ_fG° for the reaction below.
SO₂(g) + 1/2 O₂(g) → SO₃(g)

A) -1042.2 kJ/mol-rxn
B) -71.0 kJ/mol-rxn
C) +2.47 kJ/mol-rxn
D) +71.0 kJ/mol-rxn
E) +1042.2 kJ/mol-rxn