Titration of the I2 produced from 0.1187 g of primary- standard KIO3 (Molar Mass= 214.0o g/mol) required 26.78 mL of Na2S203. 103 + 51 + 6H 312 + 3H2O : 12 + 2S2032- 21 - + S,062- What is the molarity of Na2S203?
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- Titration of I2 produced from 0.1238 g of primary-standard-grade KIO3 required 41.27 mL of sodium thiosulfate. Calculate the concentration of the Na2S2O3. IO3- + 5 I- + 6 H+ → 3 I2 + 3 H2O I2 + 2 S2O32- → 2 I- + S4O62-Titration of the I2 produced from 0.1142g of primary standard KIO3 required 27.95 mL of sodium thiosulfate. Calculate the molar concentration of the KMno4 solution.A 25.0025.00 mL solution of 0.088300.08830 M NaINaI is titrated with 0.051500.05150 M AgNO3AgNO3. Calculate pAg+pAg+ following the addition of the given volumes of AgNO3AgNO3. The KspKsp of AgIAgI is 8.3×10−178.3×10−17. 37.40 mLpAg+=37.40 mLpAg+= VepAg+=VepAg+= 47.30 mLpAg+=47.30 mLpAg+=
- A 0.4482 g sample of impure NaCN is titrated with 0.1018 M AgNO3 requiring 39.68 mL to reach the end point. Report the purity of the sample as %w/w NaCN. a. 61.13% b. 63.13% c. 62.31% d. 66.25%Titration of the I2 produced from .1045g of primary standard KIO3 required 30.72ml of sodium thiosulfateCalculate the concentration of the Na2S2O3What mass of Ba(OH)2 is present in a sample if it is titrated to its equivalence point with 44.20 mL of 0.1000 N H2SO4? Note: Present complete solutions for the following problem. Express your final answers up to two (2) decimal places.
- You have performed an iodimetric titration using a commercial vitamin C tablet. Based on the following information below, calculate the %(w/w) of vitamin C(MM=176.16 g/mol) in the tablet: Mass of tablet dissolved in 250.0 mL: 5.422 g Aliquot volume of sample titrated: 25.00 mL Concentration of KIO3: 0.023 M Final burrette volume: 41.31 mL Initial burrette volume: 8.89 mL Blank volume: 0.14 mL2. A 0.5131-g sample containing KBr is dissolved in 50 mL of distilled water. Titrating with 0.04614 M AgNO3 requires 25.13 mL to reach the Mohr end point. A blank titration requires 0.65 mL to reach the same endpoint. Report the %w/w KBr in the sample.The titration of 0.2121 g of pure Na2C2O4 (134.00 g/mol) required 43.31 mL of KMnO4. What is the molar concentration of the KMnO4 solution? Given that the chemical reaction is 2MnO4- + 5C2O42- + 16H+ -----> 2Mn2+ + 10CO2 + 8H2O Provide a detailed solution.
- A 0.5131-g sample containing KBr is dissolved in 50 mL distilled water. Titrating with 0.04614 M AgNO3 requires 25.13 mL to reach the Mohr endpoint. A blank titration requires 0.65 mL to reach the same endpoint. Report the % (w/w) KBr in the sample. [Ans. 26.19 % (w /w)]A Fajans titration of a 0.7908-g sample required 45.32 mL of 0.1046 M AgNO3 . Express the results of this analysis in terms of the percentage of BaCl2 * H2O. (Use a MW value in 4 decimal places)What volume (V) of 0.100M (moles) KMnO4 would be required to Titrate 0.23g of K2{Cu(Cu2O4)2} * H20?