Materials

• Student tray containing the following:
  • 1-10 mL graduated cylinder
  • 1-200 mL volumetric flask
  • 1-cork or small square of Parafilm
  • 2-50 mL Erlenmeyer flasks
  • Labeling tape and marker
  • Balance – 3 decimal places
  • 1-150 mL buret
  • Ring stand with buret clamp
  • Hot plate
  • 50 mL beaker
  • ~3.5 mL  2.5 M Sodium Hydroxide (NaOH)
  • ~ 350 mLDeionized water
  • ~0.30 g potassiumacidphthalate (KHP)
  • ~2 mL Phenolphthalein Indicator
  • ~20 mL clear carbonated beverage
  • ~.05 g citric acid

Safety and Notes

• Sodium hydroxide is caustic. If it gets on your skin, flush with copious amounts of water and inform your instructor.
• All waste must be disposed of in the CHM 111 Waste container in the back hood.
• Return all materials to trays and drawers in a clean orderly condition for the next class.