Moles and equations - key definitions

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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

Other cards in this set

Card 2

Front

unit for amount of substance

Back

Mole

Card 3

Front

number of particles present in a mole (6.023x10^23 mol^-1)

Back

Preview of the back of card 3

Card 4

Front

simplest whole number ratio of the atoms of each element in a compound

Back

Preview of the back of card 4

Card 5

Front

actual number of atoms of each element in a molecule

Back

Preview of the back of card 5
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