Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![**The pH of an aqueous solution of 0.0327 M ascorbic acid, H₂C₆H₆O₆ (aq), is [______].**
In educational settings, this statement is typically followed by an illustration of how to calculate the pH of a weak acid solution using known values such as the acid dissociation constant (Ka) for ascorbic acid. This involves setting up an equilibrium expression for the dissociation of ascorbic acid in water, calculating the concentration of hydrogen ions [H⁺], and then using the pH formula:
\[ \text{pH} = -\log[\text{H}^+] \]
**For Detailed Explanation:**
- **Molarity (M)** refers to the concentration of a solution expressed in moles of solute per liter of solution.
- **Ascorbic Acid (H₂C₆H₆O₆)** is a weak acid commonly known as Vitamin C.
- The pH value indicates the acidity or basicity of the solution, with lower values being more acidic.
Educational websites might provide interactive calculators or step-by-step examples to help users understand the calculation process.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0ec1abee-457f-4398-be04-96ed6fd65031%2F9a208e33-41ca-4109-abea-c1685b2b1907%2Fxhutrym_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**The pH of an aqueous solution of 0.0327 M ascorbic acid, H₂C₆H₆O₆ (aq), is [______].**
In educational settings, this statement is typically followed by an illustration of how to calculate the pH of a weak acid solution using known values such as the acid dissociation constant (Ka) for ascorbic acid. This involves setting up an equilibrium expression for the dissociation of ascorbic acid in water, calculating the concentration of hydrogen ions [H⁺], and then using the pH formula:
\[ \text{pH} = -\log[\text{H}^+] \]
**For Detailed Explanation:**
- **Molarity (M)** refers to the concentration of a solution expressed in moles of solute per liter of solution.
- **Ascorbic Acid (H₂C₆H₆O₆)** is a weak acid commonly known as Vitamin C.
- The pH value indicates the acidity or basicity of the solution, with lower values being more acidic.
Educational websites might provide interactive calculators or step-by-step examples to help users understand the calculation process.
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