AS 1.1: Amounts of Substance Flashcards
1
Q
Avogadro’s Constant
A
The number of atoms in 12.000g of carbon-12.
2
Q
Mole
A
The amount of substance which contains the Avogadro number of atoms, molecules or groups of ions.
3
Q
Molar Mass
A
The mass of one mole of a substance.
4
Q
Anhydrous
A
A salt which contains no water of crystallisation.
5
Q
Hydrated
A
A salt which contains water of crystallisation.
6
Q
Water of Crystallisation
A
Water molecules which are chemically bonded within a crystal structure.