Holt McDougal Modern Chemistry Chapter 13: Ions in Aqueous Solutions and Colligative Properties - Videos & Lessons

About This Chapter

The Ions in Aqueous Solutions and Colligative Properties chapter of this Holt McDougal Modern Chemistry Companion Course helps students learn the essential lessons associated with colligative properties and ions in aqueous solutions. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Ions in Aqueous Solutions and Colligative Properties textbook chapter.

How It Works:

Identify the lessons in the Holt McDougal Ions in Aqueous Solutions and Colligative Properties chapter with which you need help.
Find the corresponding video lessons within this companion course chapter.
Watch fun videos that cover the ions in aqueous solutions and colligative properties 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:

Autoionization of water and the dissociation constant
Net ionic equations and precipitates predictions
Raoult's Law and colligative properties
How to determine molar mass
The formula for finding a solution's boiling-point elevation
How to compute values for electrolyte solutions

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6 Lessons in Chapter 13: Holt McDougal Modern Chemistry Chapter 13: Ions in Aqueous Solutions and Colligative Properties

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1. 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.

2. Precipitation Reactions: Predicting Precipitates and Net Ionic Equations

Learn what a precipitate is and predict when it will form in an aqueous chemical reaction, usually a double-replacement reaction. Learn what an ionic equation is, how it differs from a net ionic equation and how to write a net ionic equation.

3. Colligative Properties and Raoult's Law

Learn how vapor pressure and osmotic pressure are colligative properties. Use Raoult's Law to determine the vapor pressure of a solution. Learn the equation for determining osmotic pressure and how to use it to determine the molar mass of a substance.

4. Using Colligative Properties to Determine Molar Mass

In this lesson, we will explore the effect of colligative properties on a solution. We will learn how to calculate freezing point depression and see how it can be used to calculate the molar mass of an unknown substance.

5. Calculating Values for Electrolyte Solutions

In this lesson, we will talk about what defines a solution, an electrolyte solution, and then how to calculate the concentration of those solutions using some common units of concentration.

6. Calculating Boiling-Point Elevation of a Solution

In this lesson, you will learn how to calculate the boiling point of a solution using a simple equation. Additionally, you will review the concepts of solutions, molality, and electrolytes.

Chapter Practice Exam

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Practice Final Exam

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