OCR A-level Chemistry A H432 · 5.1.3(h)
Limits of weak acid approximations
- Code
- 5.1.3(h)
- In
- 5.1.3 Acids, bases and buffers
- Topic
- 5 Physical chemistry and transition elements
- Course
- A-level Chemistry A H432
- Board
- OCR
Grade boundaries·OCR command words
Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.
Points in 5.1.3 Acids, bases and buffers
- 5.1.3(a) Brønsted–Lowry acids and bases
- 5.1.3(b) H⁺ in acid reactions with metals and bases
- 5.1.3(c) Kₐ and pKₐ
- 5.1.3(d) pH and hydrogen ion concentration
- 5.1.3(e) Ionic product of water, Kw
- 5.1.3(f) pH of strong acids and bases
- 5.1.3(g) pH and Kₐ of weak acids
- 5.1.3(h) Limits of weak acid approximations
- 5.1.3(i) Buffer solutions
- 5.1.3(j) Making buffer solutions
- 5.1.3(k) How conjugate pairs control buffer pH
- 5.1.3(l) Calculating buffer pH
- 5.1.3(m) Blood pH and the carbonic acid buffer
- 5.1.3(n) pH titration curves and indicators
- 5.1.3(o) Using a pH meter