Report Form A Redox Titration to Determine the Percentage of Available Iodine in a Commercially Available Povidone Iodine Solution Student Name:_Olivia womcl Lab Station Part A: Standardization of Sodium Thiosulfate Solution: Amount of 1 M Na2S2O3 stock solution used to prepare ~0.05 M NazS2O3: 5.00ml Concentration of KIO3 used (On label in M): 0.O100 Sample 1 Sample 2 Volume of standard KIO3 used: 10 mL 10 ml Moles of KIO3 used: lour Initial buret reading (~0.05 M S2O3²): 0:70M 8.70ml Final buret reading: 8.70ml IC 90 ml 8 m 8.2 ml Volume S2032- used: Moles of S2O3²- reacted: Molarity of S2O,: Average Molarity of S2O3: Show work for the following calculations for Sample 1. Use complete units on your work. 1OM1000 = 0IL 1. Moles of KIO3 used. 10 mi : 1000 =.0lL %3D o ColLxo.010O M=1<104 md C01 x 6-0lb0M = 2. Moles of S2O,² reacted 3. Molarity S2O,-

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#2. How many moles of S2O3 reacted?
**Redox Titration Report: Determining the Percentage of Available Iodine in a Commercially Available Povidone Iodine Solution**

**Student Name:** Olivia Word  
**Lab Station:** [Not specified]

---

**Part A: Standardization of Sodium Thiosulfate Solution**

- **Amount of 1 M Na₂S₂O₃ stock solution used to prepare ~0.05 M Na₂S₂O₃:** 5.00 mL
- **Concentration of KIO₃ used (On label in M):** 0.0100 M

---

**Data Collected**

|                       | **Sample 1** | **Sample 2** |
|-----------------------|--------------|--------------|
| **Volume of standard KIO₃ used** | 10 mL        | 10 mL        |
| **Moles of KIO₃ used**            | \(1 \times 10^{-4}\) mol | \(9 \times 10^{-5}\) mol |
| **Initial buret reading (~0.05 M S₂O₃²⁻):** | 0.70 mL      | 8.70 mL      |
| **Final buret reading:**          | 8.70 mL      | 16.90 mL     |
| **Volume S₂O₃²⁻ used:**           | 8 mL         | 8.2 mL       |
| **Moles of S₂O₃²⁻ reacted:**     | [Calculation needed] | [Calculation needed] |
| **Molarity of S₂O₃²⁻:**          | [Calculation needed] | |
| **Average Molarity of S₂O₃²⁻:**  | [Calculation needed]| |

---

**Sample Calculations for Sample 1**

1. **Moles of KIO₃ used:**

   \[
   \text{10 mL} \div 1000 = 0.01 \text{ L}
   \]
   \[
   0.01 \times 0.0100 \text{ M} = 1 \times 10^{-4} \text{ mol}
   \]

2. **Moles of S₂O₃²⁻ reacted:**  
   [Insert full calculation here once completed]

3. **Molarity
Transcribed Image Text:**Redox Titration Report: Determining the Percentage of Available Iodine in a Commercially Available Povidone Iodine Solution** **Student Name:** Olivia Word **Lab Station:** [Not specified] --- **Part A: Standardization of Sodium Thiosulfate Solution** - **Amount of 1 M Na₂S₂O₃ stock solution used to prepare ~0.05 M Na₂S₂O₃:** 5.00 mL - **Concentration of KIO₃ used (On label in M):** 0.0100 M --- **Data Collected** | | **Sample 1** | **Sample 2** | |-----------------------|--------------|--------------| | **Volume of standard KIO₃ used** | 10 mL | 10 mL | | **Moles of KIO₃ used** | \(1 \times 10^{-4}\) mol | \(9 \times 10^{-5}\) mol | | **Initial buret reading (~0.05 M S₂O₃²⁻):** | 0.70 mL | 8.70 mL | | **Final buret reading:** | 8.70 mL | 16.90 mL | | **Volume S₂O₃²⁻ used:** | 8 mL | 8.2 mL | | **Moles of S₂O₃²⁻ reacted:** | [Calculation needed] | [Calculation needed] | | **Molarity of S₂O₃²⁻:** | [Calculation needed] | | | **Average Molarity of S₂O₃²⁻:** | [Calculation needed]| | --- **Sample Calculations for Sample 1** 1. **Moles of KIO₃ used:** \[ \text{10 mL} \div 1000 = 0.01 \text{ L} \] \[ 0.01 \times 0.0100 \text{ M} = 1 \times 10^{-4} \text{ mol} \] 2. **Moles of S₂O₃²⁻ reacted:** [Insert full calculation here once completed] 3. **Molarity
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