Before you can start tackling the more complex calculations involved at A Level, you need to get to grips with the fundamentals – mass and molar mass, molar volume and solutions calculations. This page includes some videos and worked examples, followed by practice questions and more video explanations of the answers.

(Feeling confident? Skip straight to the practice questions!)
https://youtu.be/wyLbSir0Ph4https://youtu.be/6U9LybZnnmghttps://youtu.be/VpE7F0zm9Mghttps://youtu.be/MFbExyH__KEhttps://youtu.be/pq91JSN8no8

Practice questions

Practice questions 1 – mass, moles and molar volume

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Practice questions

Practice questions 2 – calculations involving solutions

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Answers to practice questions

Some answers are provided in the practice question worksheets – others are explained in more detail below.

https://youtu.be/R0jzn79fBcAhttps://youtu.be/I_Pvvm0USOohttps://youtu.be/EqWa5LVgnak

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