Calculate the freezing point of a solution of 64.3 g of an ionic compound (FW = 136, i = 1.25) dissolved in 557 g of an organic solvent (FW = 96.22). The Kf of the solvent is 4.55 °C/m. The normal freezing point of the solvent is 11.1 °C. Report your answer to 1 decimal place.

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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**Problem Statement:**

Calculate the freezing point of a solution of 64.3 g of an ionic compound (FW = 136, i = 1.25) dissolved in 557 g of an organic solvent (FW = 96.22). The \( K_f \) of the solvent is 4.55 °C/m. The normal freezing point of the solvent is 11.1 °C. Report your answer to 1 decimal place.

**Details for Solution:**

1. **Molar Mass (FW) and Van't Hoff Factor (i):**
   - Ionic Compound: FW = 136, i = 1.25
   - Organic Solvent: FW = 96.22

2. **Mass of Compounds:**
   - Ionic Compound: 64.3 g
   - Organic Solvent: 557 g

3. **Freezing Point Depression Constant (\( K_f \)):**
   - \( K_f \) = 4.55 °C/m

4. **Normal Freezing Point of Solvent:**
   - \( T_f^{\text{solvent}} \) = 11.1 °C

5. **Required Calculation:**
   - Determine the freezing point of the solution.

Please enter your calculation details and final freezing point below:

**Calculation Area:**

[Text Box for Calculation Steps]

---

**Note:**
- Moving to another question will save this response.
Transcribed Image Text:**Problem Statement:** Calculate the freezing point of a solution of 64.3 g of an ionic compound (FW = 136, i = 1.25) dissolved in 557 g of an organic solvent (FW = 96.22). The \( K_f \) of the solvent is 4.55 °C/m. The normal freezing point of the solvent is 11.1 °C. Report your answer to 1 decimal place. **Details for Solution:** 1. **Molar Mass (FW) and Van't Hoff Factor (i):** - Ionic Compound: FW = 136, i = 1.25 - Organic Solvent: FW = 96.22 2. **Mass of Compounds:** - Ionic Compound: 64.3 g - Organic Solvent: 557 g 3. **Freezing Point Depression Constant (\( K_f \)):** - \( K_f \) = 4.55 °C/m 4. **Normal Freezing Point of Solvent:** - \( T_f^{\text{solvent}} \) = 11.1 °C 5. **Required Calculation:** - Determine the freezing point of the solution. Please enter your calculation details and final freezing point below: **Calculation Area:** [Text Box for Calculation Steps] --- **Note:** - Moving to another question will save this response.
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