Lab 20B Strengths of Acids and Bases

  1.  Go over #5-10 on the worksheet.
  2. Do: Lab 20B  a) identify the color of the acid form of the indicator and the base form of the indicator,  b) make observations of the reactions between the HAs and the HIns, c) analysis – which acid is stronger – the HA or HIn?  Be able to explain why. d) Rank the acids from the strongest to the weakest acid
  3. Next class:  Be prepared to discuss your results and to JUSTIFY why/how you ranked your acids.