JEE Main 2025 Chemistry question

37.8 g was taken in a 1 L reaction vessel and allowed to undergo the following reaction at 500 K The total pressure at equilibrium was found to be 18.65 bar. Then, = × 10⁻² [nearest integer] Assume to behave ideally under these conditions Given : R = 0.082 bar L mol⁻¹ K⁻¹