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Chemical calculations cartoon (BBC Bitesize)

Watch the cartoon to find out about relative atomic mass, relative formula mass, percentage composition and atom economy.

Chemistry calculations (Doc Brown)

Choose a calculation topic (on the left) and then choose the multiple choice quiz or the short answer quiz (red buttons on the right).

Moles and mass calculations - Bitesize

Read through this sequence of revision pages to recap your understanding of moles and reacting mass calculations.

Titrations - Bitesize

Read through this series of pages that revises indicators, pH curves, how to do a titration and how to process the results of a titration.

Gridlocks (RSC)

Choose the topic you want from the list on the left. There is a video explaining how to play Gridlocks if you need it.

Chemical calculations (BBC Bitesize)

Read through the pages to find out about relative formula mass, reacting masses, percentage yield and percentage composition. There is a quiz at the end.

Mass calculations (BBC Bitesize)

Read this page and the pages that follow to find out about the conservation of mass and how to work out the masses of products and reactants using balanced equations. There is a quiz at the end.

Batch and continuous processes (BBC Bitesize)

Read this page to find out the difference between batch and continuous processes.

Titration calculations (Doc Brown)

Follow the worked examples to see how titration calculations are completed.

Moles (Doc Brown)

Read through this page and follow the calculations to review different types of mole calculations.

Concentration calculations (Doc Brown)

Read through this page and follow the worked examples to refresh your understanding of how to complete concentration calculations.

Percentage composition and empirical formulae - Bitesize

Read through these pages that review complex calculations on percentage composition and empirical formulae.

Concentration calculations - Bitesize

Read through this page to recap your understanding of how to do calculations involving moles in solution.

Gas volumes - Bitesize

Read through this series of pages that will help you to revise how to collect and measure gases, and how to do mole calculations with gases.

Relative atomic mass, isotopes and moles

Read this useful summary of relative atomic mass, isotopes and how to calculate moles.

Empirical formulae (SCool)

Read this to check you understand how to calculate the empirical formula of a compound.

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