Unit III: Thermodynamics & Chemical Equilibrium

Lecture 21: Acid-Base Equilibrium: Is MIT Water Safe to Drink?

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Image excerpted from Lecture 21 Notes 

  1. Definitions and Relationships between pKw, pH, and pOH
  2. Strengths of Acids and Bases
  3. Equilibrium Acid-Base Problems (Weak Acids and Weak Bases)

Lecture Video

If the pH of water was 2, would you drink it? What about if the water had a pH of 11? The lecture introduces the concept of pH and we measure the pH of various common solutions.

Lecture Notes

Notes for Lecture 21 (PDF - 1.2MB)

Clicker Questions

Lecture 21 Clicker Questions (PDF - 1.1MB)

Textbook Reading

Weak Acids and Bases Sections 11.7–11.9 Sections 10.7–10.9
The pH of Solutions of Weak Acids and Bases Sections 11.11–11.13 Sections 10.11–10.13

Problems and Solutions

Problems for Lecture 21 (PDF)

Solutions for Lecture 21 (PDF)

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Course Info

Learning Resource Types

theaters Lecture Videos
notes Lecture Notes
assignment_turned_in Problem Sets with Solutions
grading Exams with Solutions
theaters Other Video
co_present Instructor Insights