Needed formula Flashcards
1
Q
Number of molecules
A
6.02x10^23 x amount of substance in mol
2
Q
Mass
A
Relative formula mass x mole
3
Q
Concentration in mol/dm^3
A
amount of solute in mol/volume in dm^3
4
Q
cm^3 to dm^3
A
divide by 1000
5
Q
dm^3 to cm^3
A
multiply by 1000
6
Q
mol/dm^3 to g/dm^3
A
multiply by relative formula mass
7
Q
g/dm^3 to mol/dm^3
A
divide by relative formula mass
8
Q
%atom economy
A
mr of atoms from required products x 100 / mr of reactants
9
Q
%yield
A
actual yield x 100/theoretical yield
10
Q
Moles of gas
A
Volume (dm^3) / 24
