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ZingPath: pH, Acids, and Bases

Dissociation of Acids and Bases

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pH, Acids, and Bases

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Lesson Focus

Dissociation of Acids and Bases


Learning Made Easy

You get to explore the concept of pH as you learn about dissociation of acids and bases. Perform a virtual titration to bring neutralization and end points to life.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Realize that some acids are stronger than others.
  • Relate acid dissociation with acid strength.
  • Realize that some bases are stronger than others.
  • Relate base dissociation with acid strength.

Everything You'll Have Covered

What is the Arrhenius definition of acids?

~ The Arrhenius definition of acids states that an acid is a substance that increases the concentration of the hydronium ion when dissolved in water.

Based on this definition, what would happen if concentrated hydrochloric acid were dropped into a liter of water?

~ If hydrochloric acid were dropped into a liter of water, almost all of the acid's molecules would dissociate into ions, and one mole of hydronium ions and one mole of chlorine ions would form.

What are some unique properties of strong acids?

~ Strong acids, like hydrochloric acid, fully dissociate and are good conductors of electricity.

What are some unique properties of weak acids?

~ Weak acids, like acetic acid, do not transfer their ions to water easily, which means they have a very low rate of dissociation. For this reason, they are poor conductors of electricity.

What is the difference between strong acids and weak acids, and between strong bases and weak bases, in terms of the degree of dissociation?

~ Strong acids and strong bases both dissociate almost 100%, while weak acids and bases do not.

Tutorial Details

Approximate Time 2 Minutes
Pre-requisite Concepts Students should be familiar with acids, acid strength, and bases.
Course Chemistry
Type of Tutorial Animation
Key Vocabulary acids, acid strength, bases