| Term | Definition |
|---|
| Mole / Avagadro's number | 6 x10^23 |
| Molar mass | The mass in grams of one mole of a substance |
| Relative Atomic Mass | The weighted mean of all the naturally occuring isotopes of the element relative to carbon-12. No units. |
| Empirical Formula | The lowest whole number ratio of atomsof each element in a particle of substance. |
| Molecular Formula | The actual number of atoms of each element in a molecule of a substance. |
| Limiting reagent | The reagent there is least of according to the balanced equation and hence determines the amount of product. |
| Amount | Refers to the number of moles of a substance. |
| Solute | The substance that is capable of being dissolved |
| Solvent | The substance the solute dissolves in |
| Solution | A solute dissolved in a solvent. |
| Concentration | Amount of solute dissolved in a fixed volume of solvent [moles dm^3] (conc=mol/vol) |
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