The boiling point of water, H2O, is 100.00°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in water is antifreeze (ethylene glycol). A student dissolves 11.07 grams of antifreeze, CH2OHCH2OH (62.10 g/mol), in 299.3 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Kf Solvent Formula (°C/m) (°C/m) Water HO 0.512 1.86 Ethanol CH;CH,OH 1.22 1.99 Chloroform CHCI3 3.67 Benzene CGH6 2.53 5.12 Diethyl ether CH;CH,OCH,CH3 2.02 The molality of the solution is m. The boiling point of the solution is °C.
The boiling point of water, H2O, is 100.00°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in water is antifreeze (ethylene glycol). A student dissolves 11.07 grams of antifreeze, CH2OHCH2OH (62.10 g/mol), in 299.3 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Kf Solvent Formula (°C/m) (°C/m) Water HO 0.512 1.86 Ethanol CH;CH,OH 1.22 1.99 Chloroform CHCI3 3.67 Benzene CGH6 2.53 5.12 Diethyl ether CH;CH,OCH,CH3 2.02 The molality of the solution is m. The boiling point of the solution is °C.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter10: Solutions
Section: Chapter Questions
Problem 89QAP
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Transcribed Image Text:The boiling point of water, H,0, is 100.00°C at 1
atmosphere. A nonvolatile, nonelectrolyte that dissolves in
water is antifreeze (ethylene glycol).
A student dissolves 11.07 grams of antifreeze,
CH2OHCH2OH (62.10 g/mol), in 299.3 grams of water. Use
the table of boiling and freezing point constants to answer the
questions below.
Kf
Solvent
Formula
(°C/m)
(°C/m)
Water
H2O
0.512
1.86
Ethanol
CH;CH,OH
1.22
1.99
Chloroform
CHCI3
3.67
Benzene
CH6
2.53
5.12
Diethyl
ether
CH;CH,OCH2CH3
2.02
The molality of the solution is
m.
The boiling point of the solution is
°C.
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