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Environment Canada used High altitude balloons to observe the Ozone (O3) levels in the atmosphere also use a similar idiometric titration; back titration with sodium thiosulfate is used to measure the iodine liberated. In this case, oxidation of iodide by ozone forms the iodine:considering the given equation I₂ (aq) + O₂ (g) + H₂O (l)àO₃ (g) + 2I- (aq) + 2H+ (aq) determine the concentration of O3 in air sample (in ppm)If 10,000 Litres of air bubbled through iodide solution and back titrated with 19.4 mL of a 1.2x10-4 M Sodium thiosulfate, also spelled sodium thiosulphate solution to reach equivalence,?

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