BRAINCAKECalculating the Number of Moles
The molar mass is the mass of one mole of any substance in grams and is given the symbol M.
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Key terms in this lesson
- Relative atomic mass
- The weighted mean mass of an atom of an element compared to 1/12th the mass of a carbon-12 atom.
- Relative molecular mass
- The weighted mean mass of a molecule compared to 1/12th the mass of a carbon-12 atom.
- Relative formula mass
- The mass of a formula unit compared to 1/12th the mass of a carbon-12 atom.
- Mole
- The amount of substance that contains as many particles as there are atoms in exactly 12g of carbon-12.
More in Amount of Substance
- Relative Atomic Mass
- Relative Molecular Mass
- Relative Formula Mass
- The Mole and The Avogadro Constant
- Example Question - 1
- Example Question - 2
- Mass Concentration
- Example Question - 1
All 33 lessons in Amount of Substance · All AQA AS-level Chemistry topics