Materials

•   Safety goggles
•   pH electrodes
•   Buffer solutions (pH 4.00 and 10.00)
•   0.10 M and 0.010 M solutions of acetic acid, phosphoric acid and ammonia
•   KIMWIPES
•   3 100 mL Erlenmeyer flask
•   2 100 mL beakers
•   1 250 mL waste beaker
•   Deionized water in DI bottle
•   25.0 mL graduated cylinder

CHM 112 Lab 9 Page 3

Safety and Notes

1. Goggle should be worn at all times.
2. Discard all waste in the CHM 112 waste containers.
3. Thoroughly clean work area and all glassware used for the experiment. Replace all equipment in to its proper location prior to leaving lab.