A 0.453 g sample of a diprotic acid is dissolved in water and titrated with 0.200 M NaOH. What is the molar mass of the acid if 34.8 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. molar mass: g/mol

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**Title: Determining the Molar Mass of a Diprotic Acid Using Titration**

**Problem Statement:**
A 0.453 g sample of a diprotic acid is dissolved in water and titrated with 0.200 M NaOH. What is the molar mass of the acid if 34.8 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point.

**Calculation Box:**
Molar mass: ______ g/mol

**Explanation of Apparatus:**

The image shows a laboratory setup for performing a titration, which includes:

1. **Buret**: A tall, graduated glass tube with a valve at the bottom. It is filled with the NaOH solution and allows precise dispensing of the titrant.

2. **Buret Clamp and Stand**: The buret is held vertically in place using a clamp attached to a stand.

3. **Erlenmeyer Flask**: Positioned below the buret, this flask contains the acid solution that will react with the NaOH. An indicator solution may also be present in the flask to visibly signal the end of the titration.

This setup is used to carefully add NaOH to the acid solution until the neutralization reaction reaches the second equivalence point, which can be tracked using an appropriate indicator or pH meter.
Transcribed Image Text:**Title: Determining the Molar Mass of a Diprotic Acid Using Titration** **Problem Statement:** A 0.453 g sample of a diprotic acid is dissolved in water and titrated with 0.200 M NaOH. What is the molar mass of the acid if 34.8 mL of the NaOH solution is required to neutralize the sample? Assume the volume of NaOH corresponds to the second equivalence point. **Calculation Box:** Molar mass: ______ g/mol **Explanation of Apparatus:** The image shows a laboratory setup for performing a titration, which includes: 1. **Buret**: A tall, graduated glass tube with a valve at the bottom. It is filled with the NaOH solution and allows precise dispensing of the titrant. 2. **Buret Clamp and Stand**: The buret is held vertically in place using a clamp attached to a stand. 3. **Erlenmeyer Flask**: Positioned below the buret, this flask contains the acid solution that will react with the NaOH. An indicator solution may also be present in the flask to visibly signal the end of the titration. This setup is used to carefully add NaOH to the acid solution until the neutralization reaction reaches the second equivalence point, which can be tracked using an appropriate indicator or pH meter.
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