A solution was prepared by dissolving 0.800 g of sulfur in 100.00 g of acetic acid. Calculate the freezing point and boiling point of solution to 2 decimal places.
A solution was prepared by dissolving 0.800 g of sulfur in 100.00 g of acetic acid. Calculate the freezing point and boiling point of solution to 2 decimal places.
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter11: Solutions And Colloids
Section: Chapter Questions
Problem 65E: The vapor pressure of methanol, CH3OH, is 94 torr at 20 C. The vapor pressure of ethanol, C2H5OH, is...
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A solution was prepared by dissolving 0.800 g of sulfur in 100.00 g of acetic acid. Calculate the freezing point and boiling point of solution to 2 decimal places.
question 12.70
Transcribed Image Text:1.20g of naphthalene, C1,Hg, in 25.6 g of benzene, C,H,?
The vapor pressure of pure benzene at 23°C is 86.0 mmHg;
the vapor pressure of naphthalene can be neglected. Calcu-
late the vapor-pressure lowering of the solution.
from
in w
12.8
wate
chlo
12.69 What is the boiling point of a solution of 0.133 g of
glycerol, C,H3O3, in 20.0 g of water? What is the freezing
point?
12.70 A solution was prepared by dissolving 0.800 g of
sulfur, Sg, in 100.0 g of acetic acid, HC,H,O2. Calculate
the freezing point and boiling point of the solution.
ing
Coll
12.83
sol,
12.71 An aqueous solution of a molecular compound
freezes at -0.086°C. What is the molality of the solution?
12.72 Urea, (NH,),CO, is dissolved in 250k g of water.
The solution freezes at -0.085°C. How many grams of
12.84
sol, c
a
c
urea were dissolved to make this solution?
12.73 A 0.0182-g sample of an unknown substance was
dissolved in 2.135 g of benzene. The molality of this so-
12.85
charg
lution
dete
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