Chlorine is used by textile manufacturers to bleach cloth. excess chlorine is destroyed by its reaction with sodium thiosulfate, na 2 s 2 o 3 : na 2 s 2 o 3(aq) + 4cl 2g) + 5h 2 o (ako)  2 nahso4(aq) + 8hcl (aq) a. how many moles of na 2 s 2 o 3 are needed to react with 0.12mol of cl 2