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# Year 11 Chemistry

## Module 2 | Introduction to quantitative chemistry

### Content 2: Mole concept

#### Lesson 1 | The mole

• explore the concept of the mole and relate this to Avogadro’s constant to describe, calculate and manipulate masses, chemical amounts and number of particles in: (ACSCH007, ACSCH039)
– moles of elements and compounds n = $\frac{m}{MM}$ (n = chemical amount in moles, m = mass in grams, MM = molar mass in gmol-1)
– percentage composition calculations and empirical formulae
– limiting reagent reactions

#### Lesson 2 | Limiting reagent reactions

• Explore the concept of the mole and relate this to Avogadro’s constant to describe, calculate and manipulate masses, chemical amounts and numbers of particles in:

– limiting reagent reactions

#### Lesson 3 | How are measurements made in chemistry?

• conduct an investigation to determine that chemicals react in simple whole number ratios by moles

• explore the concept of the mole and relate this to Avogadro’s constant to describe, calculate and manipulate masses, chemical amounts and number of particles in: (ACSCH007, ACSCH039)
– moles of elements and compounds n = $\frac{m}{MM}$ (n = chemical amount in moles, m = mass in grams, MM = molar mass in gmol-1)
– percentage composition calculations and empirical formulae
– limiting reagent reactions

#### Lesson 4 | Investigating the mass of one mole of substances

• conduct a practical investigation to demonstrate and calculate the molar mass (mass of one mole) of:
– an element
– a compound (ACSCH046)