C5.3.14 describe the relationship C3 Quantitative 82 between molar amounts of gases and Chemistry their volumes and vice versa, and calculate the volumes of gases involved in reactions, using the molar gas volume at room temperature and pressure (assumed to be 24dm3) (separate science only) C5.4 How are the amounts of chemicals in solution measured? C5.4.1 identify the difference between C3 Quantitative qualitative and quantitative analysis Chemistry (separate science only) chapter C5.4.2 explain how the mass of a solute C3 Quantitative 86 and the volume of the solution is Chemistry related to the concentration of the solution and calculate concentration using the formula: concentration (g/dm3) = mass of solute (g) / volume (dm3) C5.4.3 explain how the concentration of C3 Quantitative 86 a solution in mol/dm3 is related to the Chemistry mass of the solute and the volume of the solution and calculate the molar concentration using the formula concentration (mol/dm3) = number of moles of solute / volume (dm3) C5.4.4 describe neutralisation as acid C4 Chemical 111 reacting with alkali to form a salt plus Changes water including the common laboratory acids hydrochloric acid, nitric acid and sulfuric acid and the common alkalis, the hydroxides of sodium, potassium and calcium C5.4.5 recall that acids form hydrogen C4 Chemical 111 ions when they dissolve in water and Changes solutions of alkalis contain hydroxide ions C5.4.6 recognise that aqueous C4 Chemical 111 neutralisation reactions can be Changes generalised to hydrogen ions reacting with hydroxide ions to form water C5.4.7 describe and explain the procedure C3 Quantitative 88 for a titration to give precise, accurate, Chemistry valid and repeatable results C5.4.8 Evaluate the quality of data from C3 Quantitative 89 titrations Chemistry
C5.3.14 describe the relationship between molar amounts of gases and their volumes and vice versa, and calculate the volumes of gases involved in reactions, using the molar gas volume at room temperature and pressure (assumed to be 24dm3) (separate science only) C3 Quantitative Chemistry 82 C5.4 How are the amounts of chemicals in solution measured? C5.4.1 identify the difference between qualitative and quantitative analysis (separate science only) C3 Quantitative Chemistry chapter C5.4.2 explain how the mass of a solute and the volume of the solution is related to the concentration of the solution and calculate concentration using the formula: concentration (g/dm3) = mass of solute (g) / volume (dm3) C3 Quantitative Chemistry 86 C5.4.3 explain how the concentration of a solution in mol/dm3 is related to the mass of the solute and the volume of the solution and calculate the molar concentration using the formula concentration (mol/dm3) = number of moles of solute / volume (dm3) C3 Quantitative Chemistry 86 C5.4.4 describe neutralisation as acid reacting with alkali to form a salt plus water including the common laboratory acids hydrochloric acid, nitric acid and sulfuric acid and the common alkalis, the hydroxides of sodium, potassium and calcium C4 Chemical Changes 111 C5.4.5 recall that acids form hydrogen ions when they dissolve in water and solutions of alkalis contain hydroxide ions C4 Chemical Changes 111 C5.4.6 recognise that aqueous neutralisation reactions can be generalised to hydrogen ions reacting with hydroxide ions to form water C4 Chemical Changes 111 C5.4.7 describe and explain the procedure for a titration to give precise, accurate, valid and repeatable results C3 Quantitative Chemistry 88 C5.4.8 Evaluate the quality of data from titrations C3 Quantitative Chemistry 89