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14 cards from this deck
Proportion of each element in a compound
element massmolecular mass×100\frac{\text{element mass}}{\text{molecular mass}} \times 100molecular masselement mass×100
Percentages should add up to 100%
Simplest whole number ratio of atoms in a compound
Actual number of atoms in a compound
Molecular: C6H6C_6H_6C6H6; Empirical: CHCHCH
Convert percentages to masses (assume 100g)
Calculate moles by dividing mass by atomic mass
Divide all mole values by smallest number of moles
Using mass measurements to determine empirical formulae
22.4 litres
Mole ratios between reactants and products
Write the balanced equation
Quality control, environmental monitoring, process optimisation
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