1.1 The mole

• describe the mole as a unit of measurement
• determine the empirical and molecular formula of compounds
• prepare standard solutions from solid and liquid substances
• determine the concentration of solutions
• determine the amount of substances in chemical reactions
• appreciate the applications of redox titrations in industry

“How is a mole a real quantity?”

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1. The mole as a unit of measurement
   40 min · 1 practice tasks · quiz
   Describe the mole as a unit of measurement.
2. Relative atomic and molecular mass
   40 min · 1 practice tasks · quiz
   Use relative atomic and molecular mass.
3. Converting mass to moles and moles to mass
   40 min · 1 practice tasks · quiz
   Convert mass to moles and moles to mass.
4. Number of particles and the mole
   40 min · 1 practice tasks · quiz
   Find the number of particles in a given amount.
5. Avogadro number, the mole and molar mass
   40 min · 1 practice tasks · quiz
   Relate Avogadro number, the mole and molar mass.
6. Empirical formula
   40 min · 1 practice tasks · quiz
   Determine the empirical formula of a compound.
7. Finding the empirical formula of MgO
   40 min · 1 practice tasks · quiz
   Determine the empirical formula of magnesium oxide.
8. Molecular formula
   40 min · 1 practice tasks · quiz
   Determine the molecular formula from the empirical formula.
9. Calculating empirical and molecular formulae
   40 min · 1 practice tasks · quiz
   Practise empirical and molecular formula calculations.
10. Molar solutions and concentration
    40 min · 1 practice tasks · quiz
    Explain concentration in moles per cubic decimetre.
11. Preparing a standard solution from a solid
    40 min · 1 practice tasks · quiz
    Prepare a standard solution from a solid.
12. Preparing a solution from a liquid
    40 min · 1 practice tasks · quiz
    Prepare a solution from a liquid by dilution.
13. Concentration and dilution
    40 min · 1 practice tasks · quiz
    Work with concentration in mol/dm3 and g/dm3.
14. Mole ratios from equations
    40 min · 1 practice tasks · quiz
    Use mole ratios in chemical equations.
15. Molar gas volume
    40 min · 1 practice tasks · quiz
    Use the molar gas volume in calculations.
16. Acid-base titrations
    40 min · 1 practice tasks · quiz
    Describe an acid-base titration.
17. Titration calculations
    40 min · 1 practice tasks · quiz
    Solve titration calculations.
18. Redox titrations
    40 min · 1 practice tasks · quiz
    Describe and calculate a redox titration.
19. Safety and waste in titrations
    40 min · 1 practice tasks · quiz
    Apply safety and dispose of waste responsibly in titrations.
20. Applications of redox titrations in industry
    40 min · 1 practice tasks · quiz
    Review the mole and appreciate redox titration applications.