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Creative Problem Solving in Chemistry - On the acid trail

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Find out and list as much information as possible about a weak acid from experimental results shown.

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On the acid trail
Handout | PDF, Size 41.44 kb
Using the problems
PDF, Size 30.49 kb

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Level

Use

Category

Specification

Northern Ireland
- A/AS level
  - CCEA Chemistry
    - Unit A2 1: Further Physical and Organic Chemistry
      - 4.5 Acid-base equilibria
        4.5.6 recall how titration curves are determined by experiment.
Republic of Ireland
- Leaving Certificate
  - Chemistry
    - 9. Environmental chemistry: water
      - 9.1 pH Scale
        Depth of treatment
        pH scale. Use of universal indicator paper or solution. Limitations of the pH scale - usefulness confined to dilute aqueous solutions.
        pH of weak acids and bases.
        Titration curves.
Scotland
- Advanced Higher
  - SQA Chemistry
    - Inorganic and Physical Chemistry
      - Chemical equilibrium
        Strong and weak acids and bases
        In aqueous solution, strong acids/bases are completely dissociated into ions but weak acids/bases are only partially dissociated
        The acid dissociation constant is represented by Ka or by pKa where pKa = –log₁₀Ka
Wales
- A/AS level
  - WJEC Chemistry
    - Unit 3: PHYSICAL AND INORGANIC CHEMISTRY
      - 3.9 Acid-base equilibria
        (b) differences in behaviour between strong and weak acids and bases in terms of the acid dissociation constant, Ka
        (d) how to use pH, Kw, Ka and pKa in calculations involving strong and weak acids and pH and Kw in calculations involving strong bases
        (e) shapes of the titration curves for strong acid/strong base, strong acid/weak base, weak acid/strong base and weak acid/weak base systems
England
- A/AS level

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