ABT Data Sheet

 

Table 2:  Acid-Base Titration Using an Indicator

 

Sample 1

Sample 2

Volume of unknown acid, mL

 

 

Volume of NaOH added, mL

(total volume of NaOH added at the color change)

 

 

Concentration of NaOH, M

 

 

Molarity of unknown acid, M*

 

 

 *Show calculation for your best trial on a separate sheet of paper

 

 

 Table 3: Acid-Base Titration Using a pH meter

 

Sample 1

Sample 2

Volume of unknown acid, mL

 

 

Molarity of NaOH solution, M

(see stock bottle)

 

 

Volume of NaOH solution at neutral point, mL *

 

 

Molarity of unknown acid, M**

 

 

*Determined from maximum slope in titration curve.

** Show calculation for your best trial on a separate sheet of paper