Physical Chemistry- Amounts of Substances Flashcards
1
Q
Define relative atomic mass
A
Weighted average mass of all of the isotopes relative to 1/12th the mass of an atom of Carbon-12
2
Q
Define relative molecular mass
A
3
Q
Formula for moles, mass, Mr
A
moles= mass/Mr
4
Q
Formula for moles, atoms, avogadros constant
A
moles= atoms/avogadros constant
5
Q
Formula for moles, volume, concentration
A
moles= volume x concentration
6
Q
Define empirical formula
A
7
Q
Define molecular formula
A