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Lesson 1: Introduction to Acids & Bases |
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A number of key concepts are introduced in lesson 1. Properties of acids and bases are described, and the Brønsted-Lowry definition of acids & bases is presented. Conjugate acids and bases, amphoteric (amphiprotic) substances, and polyprotic acids are discussed. |
Practice 1 - What are Acids & Bases? Assignment 1 - What are Acids & Bases? |
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Lesson 2: Strengths of Acids & Bases |
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Lesson 2 begins by exploring the concept of the strength of acids and bases, relating this to degree of ionization. Students are cautioned not to confuse acid/base strength with the concepts of dilute and concentrated. The degree of ionization of acids and bases is measured quantitatively as Ka and Kb. In Lesson 2 students return once again to the concept of equilibrium, this time relating the equilibrium constant Keq to acids and bases. Students learn that these constants allow us to calculate key ion concentrations which are then used to determine pH, a useful and convenient measure of acid and base strength. |
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Practice 2 - Ion Concentrations - Ka, Kb, Kw and pH Assignment 2 - Ion Concentrations - Ka, Kb, Kw and pH |
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Lesson 3: Neutralization & Titration |
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| Lesson 3 focuses on neutralization reactions and titrations. Students will learn the general equation for neutralization reactions and titration techniques. Students will be able to calculate the concentration of an acid or base from titration data. | Acid-Base Titrations | Practice 3 - Indicators, Neutralization Reactions and Titration Assignment 3 - Indicators, Neutralization Reactions and Titration |