## Lesson 1: The Mole

## Overview:

In this first lesson of the unit, we will distinguish between quantitative and qualitative analysis which would help us analyze processes that are required in our everyday lives. A review of significant figures will also be covered as we will need to work with precise and accurate measurements when applying chemistry. The lesson will end with an introduction to an unit of measurement for substances used in Chemistry, known as the mole!

## Time Allocation: 1 hour

## Learning Goals:

- I will be able to use the following vocabulary: qualitative and quantitative analysis; moles; and Avogadro’s constant. (D1.1)
- I will be able to analyze processes that involves the use of chemical quantities and calculations. (D2.1)
- I will be able to convert between moles and the number of particles. (D2.3)
- I will be able to describe the relationship between Avogadro’s number and the mole concept. (D3.2)

## Success Criteria:

- What is the SI base unit for the amount of a substance?
- A substance can be made up of atoms, ions, molecules or formula units, define each of these entities (include a visual representation of each as well).
- Describe the relationship between the physical basis of Avogadro's constant to carbon-12.
- Which quantities are the same and which are different when comparing one mole each of carbon and of sulfur?
- Calculate the number of moles in a given substance.
- Calculate the number of particles in a given number of moles.

## Learning Activities:

**Read**Nelson 6.1 - Qualitative and Quantitative Analysis

**Read**Nelson 6.3 - The Mole - A Unit of Counting

In the playlist below, video:

## Task:

**Solve**questions 1, 2 and 6 from Nelson 6.1 Review on page 263.

**Solve**questions 1, 2, 3, 4 and 5 from Nelson 6.3 Review on page 270.