Acids, Bases and Salts - Strengths of Acids and Bases, Dissociation Constant Y9 Y10

This 45-slide PowerPoint and accompanying Lesson Notes teaches the strength of acids and bases. Learners often have misconceptions related to 'concentration' and 'strength' in reference to acids and bases. One of the aims of this lesson is to correct this misconception. The other main aims are listed below. A worksheet (with answers) to practice pH and pKa calculations is also included.

By the end of this lessons, students will:

1) discuss and share their initial conceptions of acid strength.

2) be able to define strong acids and weak acids

3) be able to relate the strength of an acid to the value of its acid dissociation constant, Ka

4) learn to calculate an acid dissociation constant

5) be able to differentiate between concentrated acid and strong acid

6) identify common strong and weak acids and bases in everyday life

7) Calculate the pH of strong acid solutions

8) Calculate the pH of weak acid solutions

I hope you find this lesson useful.

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