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Strong vs. Weak Acids

Strong vs. Weak Acids

A Brønsted–Lowry acid is a proton (H+\text{H}^+H+) donor. When an acid dissolves in water, it dissociates (splits) into ions. A strong acid, such as HCl\text{HCl}HCl, dissociates completely in water, meaning every molecule of acid releases a proton.

Weak acids and bases Ka for weak acids (A-level only) Lesson

  1. A Level
  2. /Chemistry
  3. /Weak acids and bases Ka for weak acids (A-level only)

Step-by-step lessons on AQA A Level Chemistry Weak acids and bases $K_a$ for weak acids (A-level only). Each one builds up to exam-style questions. Build confidence with atomic structure, bonding and moles calculations early on, since these underpin the more demanding organic mechanisms, equilibrium and practical-analysis topics that dominate Year 2.

Lessons