Self Assessment Checklist – Mole Concept and Chemical Calculations

Knowing the learning objectives is the first step in acing Chemistry. Master the essential concepts and apply them to interesting Chemistry questions confidently. Topical syllabus objective checklists are available here for your self-assessment. These checklists are based on Cambridge O-level Syllabus. Conduct self assessment when you revise. Tick against objectives that you can confidently say ‘I Can Do It’. Revise objectives that you are unsure of. Knowing what you need to know builds confidence in tackling questions. 

Work hard. Work smart. All the best. 

Ms Tara

ICanDoChemistry

Self Assessment Checklist - Basics

  I can do this!
aState the symbols of the elements and formulae of the compounds mentioned in the syllabus.
bDeduce the formulae of simple compounds from the relative numbers of atoms present and vice versa.
cDeduce the formulae of ionic compounds from the charges on the ions present and vice versa.

Self Assessment Checklist - Chemical and Ionic Equations

  I can do this!
aInterpret chemical equations with state symbols.
bConstruct chemical equations with state symbols.
cConstruct ionic equations with state symbols.

Self Assessment Checklist - Mole Concept

  I can do this!
aDefine relative atomic mass, Ar.
bDefine relative molecular mass, Mr.
cCalculate relative molecular mass (Mr) of a molecular substance as the sum of relative atomic masses of all the atoms in its chemical formula.
dCalculate relative formula mass (Mr) of an ionic compound as the sum of relative atomic masses of all the atoms in its chemical formula.
eCalculate the percentage mass of an element in a compound from given information.
fCalculate empirical and molecular formulae of a compound from given information.
gCalculate the number of particles from the number of moles of particles and vice versa.
hPerform calculations involving the number of moles, mass and molar mass of a substance.
iCalculate the masses of reactants and products by using the mole ratio in a chemical equation.
jPerform calculations involving the number of moles of a gas and molar gas volume.
kCalculate the volumes of gaseous reactants and products using the mole ratio in a chemical equation. (one mole of gas occupies 24 dm3 at room temperature and pressure)
lPerform stoichiometric calculations involving the idea of limiting reactant.
mApply the concept of solution concentration (in mol/dm3 or g/dm3) to process the results of volumetric experiments and to solve simple problems.
nCalculate % yield and % purity of a substance.
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