This resource is an excellent tool for reviewing and reinforcing knowledge of acid-base equilibria. Its clarity, conciseness, and direct approach make it particularly suitable for A-level biology students. Using the Cornell notes method, this resource effectively provides flashcards and notes to facilitate active recall. The notes are specifically tailored to the A-level biology curriculum and can be effectively utilized across various exam boards. Numerous students have benefited from these notes, achieving outstanding results in their A-level chemistry examinations.