Introduction to Acid/Base Titration
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Titration is a common laboratory method of quantitative chemical analysis. It is used to determine the unknown concentration of an analyte. Chemists typically use titrations in quality control methods and laboratory methods designed for acid/bases and redox.
In this laboratory experiment, your students will use a pH sensor to monitor changes in pH as sodium hydroxide solution is added to hydrochloric acid, generate their own titration curve (pH vs. volume of NaOH added), and determine the equivalence point of the titration.
PRODUCT INFO
This U-PIK will include enough materials for eight student groups. Suggested group size is 3-4 students. The U-PIK will include the following:
- 8 pH Sensors
- 8 LabQuest 2 interfaces
- 8 Drop Counters (optional)
- 8 Burets
- Hydrochloric acid solution
- 8 Stir plates with magnets
- 8 Burette Clamps
- 8 250-mL beakers
WHEN TO INTEGRATE?
The titration can be easily be introduced after discussing acid and base theory. This technique is one of the most common laboratory methods of quantitative chemical analysis that is used to determine the unknown concentration of an identified analyte.
Students will be required to use the volume and the molarity of the base in order to calculate the concentration of the acid sample. Therefore a previous discussion of volume and the molarity equation is recommended.
pH Manual
Drop Counter Manual
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