avogadros constant Flashcards
1
Q
mole
A
the amount of substance in grams that has the same number of particles as there are atoms in 12 grams of carbon-12
2
Q
NA
A
6.02x10^23 atoms in 12 grams of carbon-12
3
Q
no particles
A
= amount of substance (in mol) X avogadros constant
4
Q
can be used for
A
atoms, molecules and ions
1 mol of Cu atoms will have NA atoms
1 mol of CO2 molecules will have NA molecules
1 mol of Na ions will contain NA ions
5
Q
density + units
A
mass/volume
g cm-3
6
Q
yield
A
percentage yield = actual yield/theoretical yield x100
7
Q
atom economy
A
percentage atom economy = (mass of useful products/mass of all reactants) x100
