PDF notes on chapter:
Chapter 2 Amount Of Substance -compressed.pdf
- (7 marks)
- suggest 2 reasons why the sulfur dioxide product of a reaction is removed by exhaust gases (2 marks)
- state why it is important to fill the space below the tap in the burette before beginning a titration (1 mark)
- state why the funnel used to fill the burette should be removed before starting the titration (1 mark)
- state why rinsing the inside of the conical flask with distilled water during titration can improve the accuracy of the end-point (1 mark)
- before adding the solution from the burette, there was an air bubble in the tap. why does the air bubble increase the final burette reading of the titre
- BASELINE: suggest how the procedure can be improved to reduce the percentage uncertainty in using the burette (burette has alkali in it)
