Resources
AS Chemistry
Unit 1.3 – Chemical calculations
- calculating formula masses (Mr) and using them to calculate moles of a substance
- calculating water of crystallisation
- calculating % by mass values
- calculating empirical/simplest formulas
- converting empirical to molecular formula
- calculating atom economy
- moles – calculations using gas volumes/ concentration of solutions / masses of substances
- calculation of an equilibrium constant
- calculating an ionisation energy using the wavelength of the convergence limit in the Lyman series of a line emission spectra