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Question bank›Edexcel International A Level Chemistry›14.3.5 Finding Ka for a weak acid (Core Practical 11)

Finding Ka for a weak acid (Core Practical 11): Edexcel International A Level Chemistry questions

Edexcel International A Level Chemistry past-paper questions on 14.3.5 Finding Ka for a weak acid (Core Practical 11), 2019–2025, with mark schemes and examiner’s reports where available.

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AS Unit 1 · Structure, Bonding and Introduction to Organic ChemistryAS Unit 2 · Energetics, Group Chemistry, Halogenoalkanes and AlcoholsAS Unit 3 · Practical Skills in Chemistry IUnit 4 · Rates, Equilibria and Further Organic ChemistryUnit 5 · Transition Metals and Organic Nitrogen ChemistryUnit 6 · Practical Skills in Chemistry II

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Q3(b)
October 2024 · Unit 6
3 marks14.3.5 Finding Ka for a weak acid (Core Practical 11)
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All 1 questions on Finding Ka for a weak acid (Core Practical 11), as a list

October 2024, Unit 6, Q3(b) (3 marks): Ethanedioic acid dissociates in two steps. The first dissociation equation is shown. (COOH)2(aq)  HCOOCOO–(aq) + H+(aq) The acid dissociation constant, Ka1 , f

Nearby topics:14.3.1 What buffers are and how they work 14.3.2 Buffer pH calculations 14.3.3 Buffer action and Ka from titration curves 14.3.4 Buffers in blood and food The whole bank

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