The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of zinc chloride (136.3 g/mol), must be dissolved in 228.0 grams of water to reduce the freezing point by 0.500 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Kb (°C/m) K(°C/m) 0.512 1.22 CHC13 3.67 C6H6 2.53 CH3 CH2 OCH₂ CH3 2.02 Water Ethanol Chloroform Benzene Diethyl ether Mass= Formula H₂O CH3 CH₂OH g 1.86 1.99 5.12
The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of zinc chloride (136.3 g/mol), must be dissolved in 228.0 grams of water to reduce the freezing point by 0.500 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Kb (°C/m) K(°C/m) 0.512 1.22 CHC13 3.67 C6H6 2.53 CH3 CH2 OCH₂ CH3 2.02 Water Ethanol Chloroform Benzene Diethyl ether Mass= Formula H₂O CH3 CH₂OH g 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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![The freezing point of water is 0.00 °C at 1 atmosphere.
How many grams of zinc chloride (136.3 g/mol), must be dissolved in 228.0 grams of water to reduce the freezing point
by 0.500 °C? Refer to the table for the necessary boiling or freezing point constant.
Kb (°C/m) Kf(°C/m)
Water
H₂O
0.512
Ethanol
CH3 CH₂OH
1.22
Chloroform
CHCl3
3.67
Benzene
C6H6
2.53
Diethyl ether CH3 CH₂ OCH2 CH3 2.02
Mass=
Solvent
Formula
g
1.86
1.99
5.12](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf6a08b4-8e75-478e-afb6-07a17515e38d%2F286f1219-5532-477f-9d49-6c36e496ac34%2F9lxbt5x_processed.png&w=3840&q=75)
Transcribed Image Text:The freezing point of water is 0.00 °C at 1 atmosphere.
How many grams of zinc chloride (136.3 g/mol), must be dissolved in 228.0 grams of water to reduce the freezing point
by 0.500 °C? Refer to the table for the necessary boiling or freezing point constant.
Kb (°C/m) Kf(°C/m)
Water
H₂O
0.512
Ethanol
CH3 CH₂OH
1.22
Chloroform
CHCl3
3.67
Benzene
C6H6
2.53
Diethyl ether CH3 CH₂ OCH2 CH3 2.02
Mass=
Solvent
Formula
g
1.86
1.99
5.12
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