Handwritten solution to a chemical equilibrium problem calculating moles of SO₂ at equilibrium.
A handwritten chemistry problem involving the equilibrium reaction 2 SO₃(g) ⇌ 2 SO₂(g) + O₂(g) with given Kc value, moles of SO₃ and O₂ at equilibrium, and calculations to find moles of SO₂. The solution includes concentration conversions, Kc expression, and algebraic rearrangement.