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Tutorial videos 1
These multiple choice questions cover the mole concept, changes of state and molar ratios.
Multiple choice questions (sublimation, empirical and molecular formula and limiting reactant)
This video covers percentage composition by mass, the mole concept and limiting reactant.
The following video covers limiting and excess reagents, and molar volume of a gas.
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Note that at 2:45, there is a slight error - 0.500 / 3 = 0.167, not 1.67
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The following video covers calculating the empirical and molecular formula of a compound given the percentage by mass composition.
This question covers the calculations involved in a titration.
This video covers calculating the empirical formula of a compound from mass of CO2 and H2O formed in a combustion reaction.
This video covers mass to mole conversion, theoretical and percentage yield, enthalpy change and intermolecular forces.