Structure 1.4 Flashcards
1
Q
1 mole
A
A specific amount of substance
2
Q
One mole of something has how many particles?
A
6.02x10^23 particles
3
Q
Molar mass units
A
gmol^-1
4
Q
Molar mass
A
Mass of one mole of substance, symbol M units gmol-1
5
Q
Empirical formula
A
Simplest whole number ratio of atoms in each element
6
Q
Molecular formula
A
Actual number of atoms in a molecule
7
Q
Concentration units
A
mol dm-3
8
Q
Volume units
A
dm^3
9
Q
Avogadro’s law
A
An equal volume of all gases, when measured at the same temperature and pressure, contain an equal number of particles
