A solution of sodium thiosulfate is standardized by dissolving XXXXXXXXXXg KIO3 (214 g/mol) in water, added excess KI and acidified with HCl. Iodine liberated requires 41.64 mL of thiosulfate solution...

A solution of sodium thiosulfate is standardized by dissolving 0.1210 g KIO3 (214 g/mol) in water, added excess KI and acidified with HCl. Iodine liberated requires 41.64 mL of thiosulfate solution to give the starch-iodine complex a blue color. Calculate the molarity of NazS2O3!