Key Takeaways
Lesson Description
Key Takeaways
• Acids donate H⁺ ions; bases accept H⁺ ions.
• Strong acids and bases completely dissociate.
• Weak acids and bases partially dissociate.
• Water is amphoteric.
• Buffers resist changes in pH.
• Titrations determine unknown concentrations.
• Indicators change color near their pH range.
Must Know Equations
pH = −log[H⁺]
pOH = −log[OH⁻]
pH + pOH = 14
Ka × Kb = Kw = 1.0 × 10⁻¹⁴
Must Know Vocabulary
Acid
Base
Strong Acid
Weak Acid
Buffer
Indicator
Neutralization
pH
Ka
Kb
AP Exam Focus
• Calculate pH and pOH.
• Analyze titration curves.
• Compare strong and weak acids and bases.