The freezing point of pure benzene (C,H,) is 5.50°C. The freezing point of a solution containing 5.00 g of an unknown non-dissociating solute in 444 g of benzene is 5.07°C. K, of benzene = 4.90°C/m. Show complete calculations for each question below.
The freezing point of pure benzene (C,H,) is 5.50°C. The freezing point of a solution containing 5.00 g of an unknown non-dissociating solute in 444 g of benzene is 5.07°C. K, of benzene = 4.90°C/m. Show complete calculations for each question below.
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter14: Mixtures And Solutions
Section14.2: Solution Concentration
Problem 27PP
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Transcribed Image Text:The freezing point of pure benzene (CH,) is 5.50°C. The freezing point of a solution containing
5.00 g of an unknown non-dissociating solute in 444 g of benzene is 5.07°C. K, of benzene =
4.90°C/m. Show complete calculations for each question below.
1.
What is the freezing point depression for this solution?
2.
What is the molality of the solution of unknown solute in benzene?
3.
What is the molar mass of the unknown solute?
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