Chemistry, 17.07.2020 23:01, tasiaandrews123

Titration of the I2 produced from 0.1238 gm of primary-standard-grade KIO3 required 41.27 m l of sodium thiosulfate : Calculate the concentration of the Na2S2O3 ? I2+2S2O3-2…… 2I-+S4O6-2 , IO3 - +5I- +6H +….. 3I2+3H2O , M. Wt KIO3= 250 g/ mole

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