Stoichiometry and mole calculation for Edexcel International GCSE students.

This booklet covers the following topics
1 . writing Formulae , word equation, symbol equation and ionic equations
2.Calculating relative formula mass(molar mass) and percentage by mass
3.Calculating moles, molecules , atoms and mass of chemical compound
4.Calculating the moles and volume of gases
5.Calculating the concentration , moles and volume of solutions
6. Calculating the moles, molecules and atoms ( calculations with Avogadro Constant)
7.Calculating empirical formula and molecular formula.
8. Percentage purity and percentage yield
9. Calculating of reacting masses , excess and limiting reagents and prediction of the quantity of reactants and masses
10.Calculations problems related with titrations
11. Answers