$Inan$ experiment, the intial concentration $ofSO2Cl2$ was $1\mathrm{.}55x{10}^{-2}mo\frac{l}{L}.If$ the rate constant $is2\mathrm{.}2x{10}^{-5}\frac{?}{s}$ what $is$ the concetraiton $ofSO2Cl2$ after $8\mathrm{.}0Hr?$ The reaction $is$ first order.