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Chemistry

Grade 10: Quantitative Aspects of Chemical Change

TermDefinition
One mole The amount of substance having the same number of particles as there are atoms in 12 g carbon-12.
Relative atomic mass The mass of a particle on a scale where an atom of carbon-12 has a mass of 12.
Molar mass The mass of one mole of a substance measured in g·mol-1.
Empirical formula The simplest whole-number ratio of atoms in a compound.
Water of crystallisation Water that is stoichiometrically bound into a crystal.
Percentage composition The mass of each atom present in a compound expressed as a percentage of the total mass of the compound.
Concentration The number of moles of solute per cubic decimetre of solution.
Avogadro's law One mole of any gas occupies the same volume at the same temperature and pressure.
Created by: StiKManLabs
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