Titration of the I2 (253.81 g/mol) produced from 0.2091 g of primary standard KIO3 (214.001 g/mol) required 29.62 mL of sodium thiosulfate, Na2S2O3 (158.11 g/mol). IO3– +5I– +6H+ →3I2 +3H2O I2 + 2S2O32– → 2I– + S4O62– Based on the above reactions, calculate the molarity of the Na2S2O3
Titration of the I2 (253.81 g/mol) produced from 0.2091 g of primary standard KIO3 (214.001 g/mol) required 29.62 mL of sodium thiosulfate, Na2S2O3 (158.11 g/mol). IO3– +5I– +6H+ →3I2 +3H2O I2 + 2S2O32– → 2I– + S4O62– Based on the above reactions, calculate the molarity of the Na2S2O3
Chapter16: Applications Of Neutralization Titrations
Section: Chapter Questions
Problem 16.20QAP
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Titration of the I2 (253.81 g/mol) produced from 0.2091 g of primary standard KIO3 (214.001 g/mol) required 29.62 mL of sodium thiosulfate, Na2S2O3 (158.11 g/mol).
IO3– +5I– +6H+ →3I2 +3H2O I2 + 2S2O32– → 2I– + S4O62–
Based on the above reactions, calculate the molarity of the Na2S2O3.
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