Quantitative chemistry and the mole

Conservation of mass, relative formula mass, percentages and concentrations, the mole, reacting masses, empirical formulae, yield, atom economy, titrations and gas volumes.

Start: Conservation of mass and relative formula massAbout 20 min, free

Lessons

Practise and test

Mixed reviewQuestions mixed across your lessons.

By the end you can

Calculate Mr, including brackets and hydrates, and explain mass changes in open containers
Calculate percentage by mass and concentrations in g/dm³ and mol/dm³
Use moles, the Avogadro constant and balanced equations for reacting masses and limiting reactants (Higher)
Work out empirical formulae and balance equations from masses
Calculate percentage yield and atom economy, and use them to compare routes (Chemistry only)
Calculate concentrations from titrations and volumes of gases at RTP (Chemistry only, Higher)

Revision notes

Specifications

AQA 8462 (Chemistry) 4.3
AQA 8464 (Combined Trilogy) 5.3
Pearson Edexcel 1CH0 and 1SC0 Topics 1 and 5
OCR Gateway J248 and J250 C3.1

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