An inorganic chemist studying the reactions of phosphorus halidesmixes 0.1050 mol of PCl5with 0.0420 mol of Cl2 and0.0420 mol of PCl3 in a0.5000 L flask at 250°C.
PCl5(g) reversible reaction arrowPCl3(g) + Cl2(g)Kc = 4.2 multiplied by 10-2
Calculate Qc.