Sulfuryl chloride, SO2Cl2, decomposes when heated:
SO2Cl2(g) ? SO2(g) + Cl2(g)
In an experiment, the initial concentration of sulfuryl chloride was 0.0248 mol/L. The reaction is first order, and the rate constant is 2.2 x 10-5 s-1. What is the concentration of SO2Cl2 after 4.5 hr?