Mole Flashcards
1
Q
The relative atomic mass
A
The average mass of one atom of that element compared to 1/12 of the mass of one carbon-12 atom
2
Q
The relative molecular mass
A
The average mass of one molecule of that element or compound compared to 1/12 of the mass of one carbon-12 atom
*Both have no units
3
Q
(1)Number of moles
A
[Number of particles]/[6x10(23)]
4
Q
(2) number of moles
A
[mass]/[molar mass] (g/mol)
5
Q
(3) number of moles
A
(Vol/dm3)/(24dm3)
6
Q
Concentration in g/dm3
A
(4) Mass of solute divided by volume of solution in dm3
2. Concentration in mol/dm3 times molar mass
7
Q
Concentration in mol/dm3
A
No of moles of solute divided by volume of solution in dm3
2. Concentration in g/dm3 divided by molar mass of solute in g/mol