I2 (aq)      +      2 Na2S2O3 (aq)    →    2 NaI (aq)      +      Na2S4O6 (aq) It takes 62.25 ml of 0.0400 M Na2S2O3 solution to completely react with the iodine present in a 175.0 ml iodine solution. How many grams of iodine were initially present in the sample and what is the final concentration (in mol/L) of Iodine ions in solution

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.