CHEM 1P92 Assignment 12A (Solutions). Version # 279
1.
Fill in the blanks in the table for aqueous solutions of the compounds shown. The density of the solution
is in g/mL. Abbreviations: m is molality, Mass % is the mass percentage of the solute, Mole Frac. is the mole
fraction of the solute, and M is molarity of the solute.
Compound
f.w.
d. soln.
m
Mass %
Mole Frac.
M
Na$_2$Cr$_2$O$_7$
261.97
1.1260
16.00
HOC H$_2$CH$_2$OH
62.07
1.0460
9.062
2-propanol
60.09
0.9816
1.634
CHEM 1P92 Assignment 12B (Liquids, Solids, and Intermolecular Forces). Version # 279