Chemistry II AP Core Labs

Links:

Purpose:
To become familiar with quantitative equilibrium constants.

Objectives Links:
III. C: Equilibrium

Process Skills Checklist

Materials:

• pH meter
• potassium acid phthalate (KHP)
• weighing bottle
• sodium hydroxide solution 0.1 M
• 25 mL pipette
• unknown solution of a weak acid (100 mL of 0.1 M solution)
• buret clamp
• ring stand
• 150 mL beaker
• 3-250 mL beakers
• buffer solution
• phenolphthalein indicator solution

Safety Concerns:
Acids and bases present; use appropriate precautions.

Revision Date:
Summer 2001