Chemical Quantities Flashcards
1
Q
M
A
molar mass
2
Q
N
A
of atoms or molecules
3
Q
NA
A
6.02 x 10 23
4
Q
n
A
of moles
5
Q
m
A
mass (g)
6
Q
kg to g
A
x 1000
7
Q
mg to g
A
÷ 1000
8
Q
LR
A
limiting reagent
9
Q
INXS
A
in excess
10
Q
stoichiometry steps
A
- covert mass into moles
- use the moles ratio
- convert moles back into mass
11
Q
percent yield
A
% = A x 100/P
12
Q
Calculations
A
n=N/NA
Nmo=NAT/SS
n=m/M
N/NA=m/M
