Water's bad smell containing hydrogen sulfide H2S that can be removed by the action of Cl considering the given reaction.
H2S(aq) + Cl2(aq) → 2HCl(aq) + S(s) If H2S content of contaminated H2O is 22 ppm by mass then compute the amount of Chlorine essential to remove all the H2 from 2.0 X 102 gallons of water?