titrations could it represent? * the titration of HOOC-CH2-CH2-COOH with NaOH * the titration of HNO3 with NaOH * the titration of NH3 with HCl * the titration of H2N

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Chapter1: Chemical Foundations
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Examine the titration curve shown below. Which of the following titrations could it represent?

* the titration of HOOC-CH2-CH2-COOH with NaOH

* the titration of HNO3 with NaOH

* the titration of NH3 with HCl

* the titration of H2N-CH2-CH2-NH2 with HCl

* the titration of HF with NaOH

The image displays a titration curve graph depicting the relationship between pH and the volume of titrant added, measured in milliliters (mL). 

### Graph Details:
- **X-Axis (Horizontal):** Represents the volume of titrant added, ranging from 0 to 80 mL.
- **Y-Axis (Vertical):** Shows the pH levels, ranging from 0 to 14.

### Curve Analysis:
- **Initial Region (0-10 mL):** The pH is low, starting around 2, which is characteristic of an acidic solution.
- **Buffer Region (10-40 mL):** The curve shows a gradual increase, indicating the buffering region where the pH rises slowly.
- **Equivalence Point (~50 mL):** The graph exhibits a steep vertical rise, suggesting the point at which the amount of titrant equals the amount of substance initially in solution. The equivalence point is typically where the pH rises sharply.
- **Post-Equivalence (50-80 mL):** The pH levels off, moving towards a higher pH, indicative of a basic solution.

This graph is typical of a strong acid being titrated with a strong base, causing significant pH changes around the equivalence point.
Transcribed Image Text:The image displays a titration curve graph depicting the relationship between pH and the volume of titrant added, measured in milliliters (mL). ### Graph Details: - **X-Axis (Horizontal):** Represents the volume of titrant added, ranging from 0 to 80 mL. - **Y-Axis (Vertical):** Shows the pH levels, ranging from 0 to 14. ### Curve Analysis: - **Initial Region (0-10 mL):** The pH is low, starting around 2, which is characteristic of an acidic solution. - **Buffer Region (10-40 mL):** The curve shows a gradual increase, indicating the buffering region where the pH rises slowly. - **Equivalence Point (~50 mL):** The graph exhibits a steep vertical rise, suggesting the point at which the amount of titrant equals the amount of substance initially in solution. The equivalence point is typically where the pH rises sharply. - **Post-Equivalence (50-80 mL):** The pH levels off, moving towards a higher pH, indicative of a basic solution. This graph is typical of a strong acid being titrated with a strong base, causing significant pH changes around the equivalence point.
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