Chemistry A-Level
The mole and the Avogadro constant
What The mole and the Avogadro constant means in Chemistry A-Level, as defined for OCR.
Definition of The mole and the Avogadro constant
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Reference: OCR
The mole is the unit of amount of substance, and one mole contains the Avogadro constant of entities, approximately 6.02 × 10²³ mol⁻¹.
Topics that use The mole and the Avogadro constant
- Amount of substance (OCR A-Level)
Related terms
- amount of substance
- atom economy
- Atom economy and by-products
- Concentration in mol dm⁻³
- Converting between cm³ and dm³
- Converting between moles and number of particles
- Empirical formula
- Empirical formula mass and molecular formula multiplier
Using The mole and the Avogadro constant in the exam
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