Solutions Formulas Flashcards
0
Q
Mole fraction (N)
A
N=mole of substance/total no. of moles
1
Q
Percentage mass or volume
A
(L or g of solute/L or g total solution) X 100
2
Q
Molarity (M)
A
M=mole of solute/L of solution
3
Q
Molality (m)
A
m=mole of solute/Kg of solvent
4
Q
Density
A
d=mass/volume
5
Q
ΔVP of solution
A
ΔVP of solution=mole fraction of solvent X VP of pure solvent
6
Q
VP of solution 1
A
VP of solution=original pressure-ΔVP
7
Q
VP of solution 2
A
VPsolution=Nsolute X Psolvent
8
Q
ΔBoiling point
A
ΔTb=Kb X m
9
Q
Boiling point
A
BP=Original temperature + ΔTb
10
Q
ΔFreezing Point
A
ΔTf=Kf X m
11
Q
Freezing Point
A
FP=original temperature-ΔTf