Learning objective
(chemistry only) (HT only) State that concentration of a solution can be measured in mol/dm3.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
5
Flashcards
7
Questions
Topic
Using concentrations of solutions in mol/dm3 (chemistry only) (HT only)
Subtopic
Concentrations in mol/dm3 and titration calculations
Study support
Understand this objective
Short explanation
In the subtopic Concentrations in mol/dm3 and titration calculations, this learning objective focuses on (chemistry only) (HT only) State that concentration of a solution can be measured in mol/dm3. It sits within Using concentrations of solutions in mol/dm3 (chemistry only) (HT only) for AQA GCSE Chemistry 8462 Unit 4.3, so the explanation must stay anchored to quantitative chemistry rather than drifting into a general chemistry idea. Approved keywords to use include chemistry only, HT only, concentration, mol/dm3. Concentration. means the amount of solute present in a given volume of solution, measured in mol/dm3 Avoid the mistake of students often confuse mol/dm3 with g/dm3 when stating the concentration of a solution; instead, remember that mol/dm3 measures the amount of substance in moles per cubic decimeter, while g/dm3 measures mass in grams per cubic decimeter. Focus on the definition of concentration in terms of moles For exam answers, remember that concentration is measured in mol/dm3, which indicates the amount of solute in moles per volume of solution in cubic decimeters
Key concepts
Why it matters
This objective helps connect Concentrations in mol/dm3 and titration calculations to exam-style questions, flashcards, and revision notes for Using concentrations of solutions in mol/dm3 (chemistry only) (HT only).
Common mistakes
1 linked- Misunderstanding Concentration Units: Remember that mol/dm3 measures the amount of substance in moles per cubic decimeter, while g/dm3 measures mass in grams per cubic decimeter. Focus on the definition of concentration in terms of moles. Keep the correction anchored to Concentrations in mol/dm3 and titration calculations; check formula, substitution, calculation, final answer, and unit where relevant.
Revision tools
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Flashcards5 linked cards
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Practice Questions7 linked questions
Question 1 of 7
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Revision notestopic notes
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Open revision notesRelated learning objectives
- (chemistry only) (HT only) Calculate amount in moles of solute from concentration in mol/dm3 and volume.
Concentrations in mol/dm3 and titration calculations
- (chemistry only) (HT only) Calculate mass in grams of solute from concentration in mol/dm3 and volume.
Concentrations in mol/dm3 and titration calculations
- (chemistry only) (HT only) Calculate concentration in mol/dm3 from amount in moles and volume.
Concentrations in mol/dm3 and titration calculations
- (chemistry only) (HT only) Calculate concentration in mol/dm3 from mass of solute and volume.
Concentrations in mol/dm3 and titration calculations
- (chemistry only) (HT only) Explain how concentration in mol/dm3 is related to mass of solute and volume of solution.
Concentrations in mol/dm3 and titration calculations
