Solid sodium sulfite is slowly added to 175 mL of a 0.0497 M silver acetate solution. The concentration of sulfite ion required to just initiate precipitation is М.

World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
Section: Chapter Questions
Problem 41A
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**Precipitation Reaction Experiment Instructions**

**Objective:**
Determine the concentration of sulfite ion required to initiate precipitation in a silver acetate solution.

**Procedure:**
1. **Introduction of Reactants:**
   - You will be adding solid **sodium sulfite** (Na2SO3) incrementally to 175 mL of a **0.0497 M silver acetate (AgC2H3O2)** solution.

2. **Observation Point:**
   - Your goal is to find the concentration of the sulfite ion that just initiates precipitation. The moment at which you observe the formation of a precipitate indicates that the concentration threshold has been reached.

**Data Entry:**
- Enter the concentration of sulfite ion in the provided text box marked **“______ M”**.

**Submission:**
- After you've calculated and entered the concentration, use the “Submit Answer” button.
- If needed, you may retry the entire group by clicking the “Retry Entire Group” button. Note that you have **7 more group attempts remaining**.

**Additional Notes:**
- Ensure all calculations are double-checked for accuracy.
- Understand the basic principles of solubility and precipitation reactions to aid in your calculations.

**Interface Components:**
- **Buttons:**
  - **Submit Answer** - Submits the concentration for evaluation.
  - **Retry Entire Group** - Resets the process for reattempt, with the count of available retries displayed as “7 more group attempts remaining”.

Please carefully follow the instructions and utilize the retry option prudently to ensure a complete understanding and correct calculation of the required sulfite ion concentration.

---

This format ensures clarity and precision, crucial for educational purposes and proper understanding of the experiment by students.
Transcribed Image Text:**Precipitation Reaction Experiment Instructions** **Objective:** Determine the concentration of sulfite ion required to initiate precipitation in a silver acetate solution. **Procedure:** 1. **Introduction of Reactants:** - You will be adding solid **sodium sulfite** (Na2SO3) incrementally to 175 mL of a **0.0497 M silver acetate (AgC2H3O2)** solution. 2. **Observation Point:** - Your goal is to find the concentration of the sulfite ion that just initiates precipitation. The moment at which you observe the formation of a precipitate indicates that the concentration threshold has been reached. **Data Entry:** - Enter the concentration of sulfite ion in the provided text box marked **“______ M”**. **Submission:** - After you've calculated and entered the concentration, use the “Submit Answer” button. - If needed, you may retry the entire group by clicking the “Retry Entire Group” button. Note that you have **7 more group attempts remaining**. **Additional Notes:** - Ensure all calculations are double-checked for accuracy. - Understand the basic principles of solubility and precipitation reactions to aid in your calculations. **Interface Components:** - **Buttons:** - **Submit Answer** - Submits the concentration for evaluation. - **Retry Entire Group** - Resets the process for reattempt, with the count of available retries displayed as “7 more group attempts remaining”. Please carefully follow the instructions and utilize the retry option prudently to ensure a complete understanding and correct calculation of the required sulfite ion concentration. --- This format ensures clarity and precision, crucial for educational purposes and proper understanding of the experiment by students.
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