Chemistry, 04.10.2021 09:50 xxkeyxx51

Lodate ions react with iodide ions according to the equation below. A sample of sodium iodate with a mass of 0.311 g is dissolved in water and made up to 250. mL. 25.0 mL
portions are added to Kl that has been dissolved in sulfuric acid. The resultant iodine is
titrated against sodium thiosulfate, the average volume being 12.5 mL. Calculate the
molarity of the thiosulfate solution.
IO3- (aq)
+ 5I- (aq) + 6H+ (aq) ---> 3I2 (aq) + 3H2O (l)

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