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# Unit Overview: Quantitative Chemistry

National Curriculum

For next step we recommend the unit: Atomic structure and periodic table.

## Lessons:

14 lessons

### Relative formula mass (FT only)

This lesson will recap briefly on relative atomic mass and students will calculate relative formula mass and percentage composition of an element in a compound.

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### Relative formula mass (HT only)

This lesson will recap briefly on relative atomic mass and students will calculate relative formula mass and percentage composition of an element in a compound. Students will also be able to work backwards and work out the mass and name of a metal in a compound using the relative formula mass.

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### Moles and Avogadro's constant (HT only)

This lesson, students will use the equation mass = relative formula mass x moles to find any one value when given the other two. Students will use Avogadro's constant to calculate the number of atoms/molecules in a given mass and also calculate the mass of a given number of atoms.

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### Balancing equations using moles (HT only)

This lesson, students will write chemical formulae using knowledge of ion charges and balance equations using the same number of atoms rule. Students will also balance equations using moles.

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### Reacting masses (HT only)

This lesson, students will use a balanced equation to work out the quantity of reacting elements needed to produce a specified product and predict the mass of a product from a specified starting mass.

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### Reacting masses and yield (GCSE Chemistry)

This lesson, students will use a balanced equation to work out the quantity of reacting elements needed to produce a specified product and predict the mass of a product from a specified starting mass. Yield is also covered.

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### Atom economy

This lesson, students will calculate atom economy for given reactions and then choose and justify a reaction pathway.

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### Concentration

This lesson, students will define the word concentration and calculate concentration from mass and volume. Students will also be able to work out the mass of a substance in a given volume of a solution of known concentration.

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### Titration calculations

This lesson, students will calculate means from experimental results and calculate the uncertainty in the readings. Students will also be able to calculate the concentration of a solution of unknown concentration using a balanced equation and volumes of reacting solutions.

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### Limiting reactants

This lesson, students will define a limiting reactant and calculate the limiting reactant from a balanced equation.

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### Gas Volumes

This lesson, students will calculate the volume of a gas at room temperature and pressure from its mass and formula mass.

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### Review (HT only)

This lesson will review the higher content of the quantitative chemistry unit.

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### Review (GCSE Chemistry)

This lesson will review the triple chemistry content of the quantitative chemistry unit.

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### Practical application of quantitative chemistry

This lesson, students will learn how to conduct a practical to obtain copper sulfate salts using the calculations learnt in this unit.

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