The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 12.98 grams of nickel(II) iodide, Nil, (312.5 g/mol), in 239.8 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Formula K, (°C/m) Kf(°C/m) Water H20 0.512 1.86 Ethanol CH3CH,OH 1.22 1.99 Chloroform CHCI3 3.67 Benzene CH6 2.53 5.12 Diethyl ether CH;CH2OCH2CH3 2.02 The molality of the solution is m. The freezing point of the solution is °C.
The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 12.98 grams of nickel(II) iodide, Nil, (312.5 g/mol), in 239.8 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Formula K, (°C/m) Kf(°C/m) Water H20 0.512 1.86 Ethanol CH3CH,OH 1.22 1.99 Chloroform CHCI3 3.67 Benzene CH6 2.53 5.12 Diethyl ether CH;CH2OCH2CH3 2.02 The molality of the solution is m. The freezing point of the solution is °C.
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:The freezing point of water is 0.00°C at 1 atmosphere.
A student dissolves 12.98 grams of nickel(II) iodide, NiI, (312.5 g/mol), in 239.8 grams of water. Use the table of boiling and freezing point constants
to answer the questions below.
Solvent
Formula
K, (°C/m) Kf (°C/m)
Water
H20
0.512
1.86
Ethanol
CH3CH,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 freezing point of the solution is
°C.
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