The boiling point of water is 100.0°C at 1 atmosphere. How many grams of zinc acetate (183.5 g/mol), must be dissolved in 212.0 grams of water to raise the boiling point by 0.450°C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb (°C/m) Kf (°C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67   Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section13.7: Colligative Properties Of Solutions
Problem 13.15E
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The boiling point of water is 100.0°C at 1 atmosphere.

How many grams of zinc acetate (183.5 g/mol), must be dissolved in 212.0 grams of water to raise the boiling point by 0.450°C? Refer to the table for the necessary boiling or freezing point constant.

Solvent Formula Kb (°C/m) Kf (°C/m)
Water H2O 0.512 1.86
Ethanol CH3CH2OH 1.22 1.99
Chloroform CHCl3 3.67  
Benzene C6H6 2.53 5.12
Diethyl ether CH3CH2OCH2CH3 2.02  


 ?g zinc acetate.

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