moles equations Flashcards
1
Q
avogadros constant
A
6.02 x 10(23)
2
Q
Mass =
A
no. Moles x RMM
3
Q
no. molecules =
A
moles x L (avogadro constant)
4
Q
Concentration =
A
moles
———
volume (dm3)
5
Q
G dm 3 =
A
Mol dm-3 x RMM
6
Q
new concentration =
A
dilution factor x old concentration
7
Q
density =
A
Mass
———
volume
8
Q
No. Moles (gas)
A
Volume of gas
———————
24
9
Q
pv =
A
nRT
10
Q
Temp in K
A
+273
11
Q
R
A
8.31
12
Q
percentage yield =
A
actual yield
——————. x 100
theoretical yield
13
Q
% atom economy =
A
mass of desired product
———————————- x 100
total mass of products
