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Concentration mol/dm³: definition and relationships

Quantitative chemistry • Concentration of solutions

Key concepts

What you'll likely be quizzed about

  • Concentration in mol/dm³ describes the amount of substance in moles dissolved in one cubic decimetre of solution.
  • The symbol c represents concentration, with the unit mol/dm³ indicating moles per cubic decimetre.
  • It reflects how many moles are present in a defined volume of solution.

Flashcards

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Unit of concentration used

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The unit for concentration is mol/dm³, indicating moles per cubic decimetre.

Key notes

Important points to keep in mind

The formula c = n / V gives concentration in mol/dm³, with V in dm³.

To convert mass to moles, use n = m / M with M in g/mol.

Convert cm³ to dm³ by dividing by 1000 before using in calculations.

Account for final solution volume; adding solute may alter volume.

Final results should reflect significant figures based on precision of measurements.

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