Buffers
Buffer composition, Henderson-Hasselbalch reasoning, and titration-curve interpretation for robust pH control answers.
This route helps when you keep missing the same type of question across different topics. Use it to combine lesson notes with linked practice and tools in one place.
Notes and Hubs in This Route
- Titration Curves and Indicators (A Level)
Interpret acid–base titration curves, identify buffer regions and equivalence points, and choose suitable indicators with clear justification.
- Chemistry of Aqueous Solutions (A Level)
A Level aqueous equilibria notes: pH and Ka/Kb/Kw calculations, buffers and titration curves, Ksp and precipitation, plus common ion effect and complex ions.
- Buffer Solutions (A Level)
Understand buffer action and calculate pH changes using Ka/pKa and concentration ratios, including approximation checks and common exam traps.
- Common Ion Effect and Complex Ions (A Level)
Predict solubility changes using the common ion effect, and explain how complex-ion formation increases solubility in linked equilibria.
- Ka, Kb, Kw, pKa, pKb (A Level)
Define Ka, Kb, Kw, pKa and pKb, and use key relationships to move between constants, pH and equilibrium reasoning with exam-safe meanings.
- Ksp and Solubility Calculations (A Level)
Write Ksp expressions, calculate molar solubility, and predict precipitation using Qsp vs Ksp, with a repeatable exam workflow.
- pH Calculations (Strong and Weak) (A Level)
Calculate pH for strong and weak acids/bases using Ka/Kb, with clear approximations, ICE tables when needed, and final-answer checks.