The reaction between SO₂ and O₂ produces SO₃ with a yield of 55%. For the mixture shown below, determine the number of molecules for each compound after the reaction

Yellow spheres are S atoms and green spheres are O atoms.

• A. 4.9 molecules SO₂, 2.8 molecules SO₃, 3.9 molecules O₂
• B. 3.2 molecules SO₂, 3.9 molecules SO₃, 4.1 molecules O₂
• C. 0 molecules SO₂, 7 molecules SO₃, 7 molecules O₂
• D. 7 molecules SO₂, 6 molecules SO₃, 0 molecules O₂

Answer: (B)