C4.7 Carrying out titration

• What is the first step in carrying out a titration?

  Measure a known volume of alkali
• Why should the pipette be washed with distilled water before use?

  To remove contaminants from the pipette
• What should you do after washing the pipette with distilled water?

  Wash it with some of the alkali
• What is added to the solution in the conical flask after the alkali?

  A few drops of acid/base indicator
• What is the purpose of swirling the conical flask after adding the indicator?

  To mix the indicator with the solution
• What should you do to rinse a burette before use?

  Rinse it with distilled water
• What should be done after rinsing the burette with distilled water?

  Rinse it with some of the acid
• Why is it important to allow some acid to pass through the burette tap?

  To ensure the burette is properly rinsed
• What should be done after rinsing the burette with acid?

  Pour the acid you will use into the burette
• What is the purpose of the markings on the burette?

  To measure volumes accurately
• How are burettes graduated?

  Every 0.1 cm³
• To what precision can you measure volumes using a burette?

  To the nearest 0.05 cm³