**Titration Problem**A solution of sodium thiosulfate, \( \text{Na}_2\text{S}_2\text{O}_3 \), is 0.4203 M. 8.52 mL of this solution reacts with 26.21 mL of \( \text{I}_2 \) solution. What is the molarity of the \( \text{I}_2 \) solution?Chemical Reaction:\[ \text{I}_2 + 2\text{Na}_2\text{S}_2\text{O}_3 \rightarrow \text{Na}_2\text{S}_4\text{O}_6 + 2\text{NaI} \]**Submit Answer** Tries 0/99---29.07 mL of the \( \text{I}_2 \) solution from above is required to titrate a sample containing \( \text{As}_2\text{O}_3 \). Calculate the mass of \( \text{As}_2\text{O}_3 \) (197.8 g/mol) in the sample.Chemical Reaction:\[ \text{As}_2\text{O}_3 + 5\text{H}_2\text{O} + 2\text{I}_2 \rightarrow 2\text{H}_3\text{AsO}_4 + 4\text{HI} \]**Submit Answer** Tries 0/99**Discussion Status:** Closed

Answered: Image /qna-images/answer/06c80310-665e-4fd1-b750-a5a78fb880d5.jpg

solution of sodium thiosulfate, Na2S203, is 0.4203 M. 8.52 mL of this solution reacts with 26.21 mL of I₂ solution. What is the molarity of the 12 solution? Na2S203) + 12-Na₂S406 + 2(Nal) Submit Answer Tries 0/99 29.07 mL of the 12 solution from above is required to titrate a sample containing As2O3. Calculate the mass of As2O3 (197.8 g/mol) in the sample. As2O3 + 5(H₂0) + 212 2(H3ASO4) + 4HI Submit Answer Tries 0/99 This discussion is closed.

solution of sodium thiosulfate, Na2S203, is 0.4203 M. 8.52 mL of this solution reacts with 26.21 mL of I₂ solution. What is the molarity of the 12 solution? Na2S203) + 12-Na₂S406 + 2(Nal) Submit Answer Tries 0/99 29.07 mL of the 12 solution from above is required to titrate a sample containing As2O3. Calculate the mass of As2O3 (197.8 g/mol) in the sample. As2O3 + 5(H₂0) + 212 2(H3ASO4) + 4HI Submit Answer Tries 0/99 This discussion is closed.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

**Titration Problem**

A solution of sodium thiosulfate, \( \text{Na}_2\text{S}_2\text{O}_3 \), is 0.4203 M. 8.52 mL of this solution reacts with 26.21 mL of \( \text{I}_2 \) solution. What is the molarity of the \( \text{I}_2 \) solution?

Chemical Reaction:
\[
\text{I}_2 + 2\text{Na}_2\text{S}_2\text{O}_3 \rightarrow \text{Na}_2\text{S}_4\text{O}_6 + 2\text{NaI}
\]

**Submit Answer**
Tries 0/99

---

29.07 mL of the \( \text{I}_2 \) solution from above is required to titrate a sample containing \( \text{As}_2\text{O}_3 \). Calculate the mass of \( \text{As}_2\text{O}_3 \) (197.8 g/mol) in the sample.

Chemical Reaction:
\[
\text{As}_2\text{O}_3 + 5\text{H}_2\text{O} + 2\text{I}_2 \rightarrow 2\text{H}_3\text{AsO}_4 + 4\text{HI}
\]

**Submit Answer**
Tries 0/99

**Discussion Status:** Closed

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