Save
Y12 Chem
Amount of substance
Save
Share
Learn
Content
Leaderboard
Share
Learn
Created by
Faye Lc
Visit profile
Cards (5)
The
mole
the amount of substance in
grams
has the same number of particles as atoms in 12 grams of
carbon-12.
Relative atomic mass
the average mass of one atom compared to one-twelfth of the mass of
one
atom of
carbon-12
Molar mass
the mass in grams of
1 mole
of a substance and is given the unit of
g mol-1
Molar gas vol
the volume of
1 mole
of a gas at a given temperature and pressure. At room pressure and room temperature the molar gas volume is
24
dm3 mol–1
Molecular formula
work out how many times the Mr of the molecule is divided by the
empirical formula
Mr and times the empirical formula by that number
