Topic 4: Stoichiometry
Topic content:
Use of symbols of the elements and writing the formula of compounds
Deducing the formula of a compound from the relative numbers of atoms present, models or diagrams
Determining the formula of ionic compounds from the charges on the ions present
Writing word equations and balanced symbol equations. This includes the use of state symbols and ionic equations
Definition of relative atomic mass Ar and relative molecular mass Mr
Use of symbols of the elements and writing the formula of compounds
Deducing the formula of a compound from the relative numbers of atoms present, models or diagrams
Determining the formula of ionic compounds from the charges on the ions present
Writing word equations and balanced symbol equations. This includes the use of state symbols and ionic equations
Definition of relative atomic mass Ar and relative molecular mass Mr
4.1 Definition of the mole and the Avogadro constant
Use of molar gas volume, taken as 24 dm3at room temperature and pressure.
Calculate reacting masses and volumes of gases and solutions concentrations expressed in g/dm3and mol/dm3.
Calculate reacting masses and volumes of gases and solutions concentrations expressed in g/dm3and mol/dm3.
Understand the idea of limiting reactant.
Calculation of empirical and molecular formula.
Calculation of % yield and % purity
Calculation of empirical and molecular formula.
Calculation of % yield and % purity
Practice balancing chemical equations
http://phet.colorado.edu/en/simulation/balancing-chemical-equations
http://funbasedlearning.com/chemistry/default.htm
https://www.khanacademy.org/science/chemistry/chemical-reactions-stoichiometry/e/balancing_chemical_equations
http://phet.colorado.edu/en/simulation/balancing-chemical-equations
http://funbasedlearning.com/chemistry/default.htm
https://www.khanacademy.org/science/chemistry/chemical-reactions-stoichiometry/e/balancing_chemical_equations
Chemical formula and equationsMole Introduction |
Relative atomic and molecular massEmpirical and molecular formula |
Mole and chemical equation |
Limiting reactant |
Concentration of solution |
Volumes of gases |
% Yield and % Purity
topic4stoichiometry.docx | |
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c4_stoichiometry.doc | |
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mole_graduation_test.pdf | |
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