0
Q
Density = …
Mass and volume
A
Density = mass / volume
1
Q
Moles = …
A
Moles = mass / molecular mass
2
Q
Percentage composition = …
A
Percentage composition = mass of thing interested in / mass of whole molecule
3
Q
Percentage mass = …
A
Percentage mass = (Total mass of element / relative formula mass) X 100
4
Q
Percentage yield = …
A
Percentage yield = (actual yield/ theoretical yield) X 100
5
Q
Concentration = …
Mass and volume
A
Concentration = mass / volume
6
Q
Concentration = …
Number of moles and volume
A
Concentration = number of moles / volume
7
Q
Volume = …
Number of moles and 24
A
Volume = Number of moles X 24 dm^3
ONLY for a gass
