Moles and equations - key definitions 0.0 / 5 ? ChemistryCalculationsASOCR Created by: sesamesnapsCreated on: 23-04-14 13:50 Amount of substance the number of moles of substance that you have 1 of 7 Mole unit for amount of substance 2 of 7 Avogadro constant, NA number of particles present in a mole (6.023x10^23 mol^-1) 3 of 7 Empirical formula simplest whole number ratio of the atoms of each element in a compound 4 of 7 Molecular formula actual number of atoms of each element in a molecule 5 of 7 Concentrated containing a large amount of solute per dm^3 (10 mol dm^-3 or more) 6 of 7 Dilute containing a small amount of solute per dm^3 (2 mol dm^-3 or less) 7 of 7
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