94. Solving a chemistry problem
How many grams of hydrogen chloride are contained in 1 dm3 of hydrochloric acid, if 21.20 cm3 of sodium thiosulfate solution with Seq (Na2S2O3) = 0.1141 mol/dm3 was used to titrate iodine isolated from 20.00 cm3 of acid with a mixture of KIO3 KI?
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