Hydrogen sulfide is a common and troublesome pollutant in industrial wastewaters. One way to remove H2S is to treat the water with chlorine, in which case the following reaction occurs: H2S + Cl2 --> S + 2H + 2Cl The rate of this reaction is first order in each reactant. The rate constant for the disappearance of H2S at 28 degrees C is 3.5x10^-2 If at a given time the concentration of H2S is 2.5×10?4 and that of Cl2 is 2.8×10?2 , what is the rate of formation of Cl-