PEARSON – Always Learning Observation records (or other media) showing how you worked skilfully, accurately and safely whilst: preparing standard solutions carrying out titrations with hydrochloric acid and sodium hydroxide carrying out titrations with sodium hydroxide and dilute sulphuric acid determining concentrations of copper(II) sulfate using colorimetry Criteria covered by this task: Unit/Criteria reference To achieve the criteria you must show that you are able […]


