Moles anad equations Flashcards
1
Q
Amount of substance
A
The quantity whose unit is the mole. Used as a mean of counting atoms.
2
Q
Avogadro constant Na
A
The number of atoms per mole of the carbon-12 isotope (6.02x10^23 mol^-1)
3
Q
Molar mass
A
The mass per mole of a substance. The units of molar mass are g mol^-1
4
Q
Empirical formula
A
The simplest whole-number ratio of atoms of each element present in a compound.
5
Q
Molecular formula
A
The number of atoms of each element present in a molecule.
