The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of aluminum sulfate (342.2 g/mol), must be dissolved in 242.0 grams of water to reduce the freezing point by 0.350 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Water H₂O Ethanol CH3 CH₂ OH Chloroform CHCl3 Benzene C6H6 Diethyl ether Formula Mass= Kb (°C/m) Kf(°C/m) 0.512 1.22 3.67 g 2.53 CH3 CH₂ OCH₂ CH3 2.02 1.86 1.99 5.12
The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of aluminum sulfate (342.2 g/mol), must be dissolved in 242.0 grams of water to reduce the freezing point by 0.350 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Water H₂O Ethanol CH3 CH₂ OH Chloroform CHCl3 Benzene C6H6 Diethyl ether Formula Mass= Kb (°C/m) Kf(°C/m) 0.512 1.22 3.67 g 2.53 CH3 CH₂ OCH₂ CH3 2.02 1.86 1.99 5.12
Chemistry
10th Edition
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.
How many grams of aluminum sulfate (342.2 g/mol), must be
dissolved in 242.0 grams of water to reduce the freezing point by
0.350 °C? Refer to the table for the necessary boiling or freezing
point constant.
Solvent
Diethyl
ether
Formula
Water
Ethanol
Chloroform CHCl3
Benzene C6H6
Mass=
H₂O
CH3 CH₂OH
K₁ (°C/m) Kf(°C/m)
0.512
1.22
3.67
g
2.53
CH3 CH₂ OCH₂ CH3 2.02
1.86
1.99
5.12
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