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CALCULATIONS

Moles, reacting masses, empirical formula and water of crystallisation.
On this page you will find video tutorials, notes and exam-style questions with worked answers on the concepts above and more.
Select the video you need and download the matching notes. Then apply your knowledge to the exam-style questions.

How Many Atoms
03:10
Ar and Mr
02:10
Mass Moles and Mr
02:14
Reacting Masses - Moles Method
03:53
Reacting Masses - Ratio Method
02:52
Percentage Yield
01:37
Empirical Formula
03:04
Molecular Formula
01:27

GCSE CALCULATIONS NOTES

HOW MANY ATOMS

AR AND MR

MOLES, MASS AND MR

REACTING MASSES - MOLES METHOD

REACTING MASSES - RATIO METHOD

PERCENTAGE YIELD

EMPIRICAL FORMULA

MOLECULAR FORMULA

WATER OF CRYSTALLISATION

USING EXPERIMENTAL DATA

CONCENTRATION CALCULATIONS

GAS VOLUME CALCULATIONS

Exam-Style Calculations
11:18
Calculations: Videos

EXAM-STYLE QUESTIONS

ALL CALCULATIONS

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