About This Chapter
How it works:
- Identify the lessons in the Holt Chemistry Acids and Bases chapter with which you need help.
- Find the corresponding video lessons within this companion course chapter.
- Watch fun videos that cover the acids and bases topics you need to learn or review.
- Complete the quizzes to test your understanding.
- If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.
Students will learn:
- The Arrhenius definition of acids and bases
- The Bronsted-Lowry and Lewis definition of acids and bases
- Dissociation constant and autoionization of water
- The pH scale
- Neutralization and acid-base reactions
- Titration of a strong acid or strong base
- Acid-base equilibrium
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1. The Arrhenius Definition of Acids and Bases
In this lesson, you will learn the definition of Arrhenius acids and bases, discover some of their chemical properties and learn some examples. You will also learn about the difference between strong and weak Arrhenius acids and bases.
2. The Bronsted-Lowry and Lewis Definition of Acids and Bases
Learn the Bronsted-Lowry and Lewis definitions of an acid and base. Discover how these theories differ from each other and from the Arrhenius theory of an acid and base. Learn how to identify an acid in terms of proton donation and a base as a proton acceptor, and explain what a conjugate acid or base is.
3. Dissociation Constant and Autoionization of Water
Learn the meaning of auto-ionization of water, sometimes called self-ionization, where water acts as a proton donor and acceptor to form both hydronium and hydroxide ions. Learn what the auto-ionization constant is and how to use it to determine the concentration of either hydroxide or hydronium ions in a solution when given the other value.
4. The pH Scale: Calculating the pH of a Solution
Learn the history of the pH scale, how to describe it and why it is used by scientists. Discover how to calculate the pH of an acid or base solutions given either the hydroxide ion concentration or the hydronium ion concentration. Learn how to start with the pH and calculate the hydroxide and hydronium ion concentrations.
5. Neutralization and Acid-Base Reactions
From this lesson, you will understand the neutralization process between acids and bases. Learn how a hydroxide ion from a base reacts with a hydronium ion from an acid to neutralize each other and form water. Discover what conjugate acids and bases are and what the definition of amphoteric is.
6. Titration of a Strong Acid or a Strong Base
Discover what titration is and how to calculate the concentration of an acid or base that has been titrated to equivalence. Learn the meaning of titrant, standard solution and equivalence point. Study titration curves and learn how to determine pH during any point of a titration between a strong acid and strong base.
7. Titrations with Weak Acids or Weak Bases
Learn about titrations with weak acids or weak bases in this lesson. Study their titration curves and learn about some of their important characteristics. Learn how to calculate pH during titrations involving weak acids and strong bases.
8. Acid-Base Equilibrium: Calculating the Ka or Kb of a Solution
In this lesson, you will review acid and base strength and acid and base dissociation. You will then learn what acid and base dissociation constants (Ka and Kb) are, what they mean, and how to perform calculations involving them.
9. Acid-Base Buffers: Calculating the pH of a Buffered Solution
Learn what a buffer is, how it works, and why we benefit from having our blood buffered. Learn how to calculate the pH of a buffered solution before an acid or base is added and how the pH changes after an acid or base is added.
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Other chapters within the Holt Chemistry: Online Textbook Help course
- Holt Chemistry Chapter 1: The Science of Chemistry
- Holt Chemistry Chapter 2: Matter and Energy
- Holt Chemistry Chapter 3: Atoms and Moles
- Holt Chemistry Chapter 4: The Periodic Table
- Holt Chemistry Chapter 5: Ions and Ionic Compounds
- Holt Chemistry Chapter 6: Covalent Compounds
- Holt Chemistry Chapter 7: The Mole and Chemical Composition
- Holt Chemistry Chapter 8: Chemical Equations and Reactions
- Holt Chemistry Chapter 9: Stoichiometry
- Holt Chemistry Chapter 10: Causes of Change
- Holt Chemistry Chapter 11: States of Matter and Intermolecular Forces
- Holt Chemistry Chapter 12: Gases
- Holt Chemistry Chapter 13: Solutions
- Holt Chemistry Chapter 14: Chemical Equilibrium
- Holt Chemistry Chapter 16: Reaction Rates
- Holt Chemistry Chapter 17: Oxidation, Reduction, and Electrochemistry
- Holt Chemistry Chapter 18: Nuclear Chemistry
- Holt Chemistry Chapter 19: Carbon and Organic Compounds
- Holt Chemistry Chapter 20: Biological Chemistry