The ULTIMATE Guide to Empirical Formulas (and Molecular Formulas)
Outlining what empirical formulas are and how to calculate them using percentage by mass data. Examples are given including water and butane. The link between an ionic compounds chemical formula and its empirical formula are shown. Why molecular formulas and empirical formulas don’t have to be the same is also explained.
For AQA, OCR (A), Edexcel and CIE A-level and IB Chemistry.
What is an empirical formula?: 00:27
Ionic compounds: 02:00
Why do we use empirical formulas?: 02:18
Percentage by mass: 03:00
How to calculate empirical formulas: 02:18
Summary: 05:45
Pages on chemistrystudent.com:
https://www.chemistrystudent.com/empi...
https://www.chemistrystudent.com/them...
https://www.chemistrystudent.com/rela...
https://www.chemistrystudent.com/mole...
https://www.chemistrystudent.com/mole...
https://www.chemistrystudent.com/mole...
https://www.chemistrystudent.com/perc...
https://www.chemistrystudent.com/atom...
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