When 361. g of urea (CH₂N₂O) are dissolved in 1350. g of a certain mystery liquid X, the freezing point of the solution is 8.5 °C lower than the freezing point of pure X. On the other hand, when 361. g of sodium chloride are dissolved in the same mass of X, the freezing point of the solution is 15.2 °C lower than the freezing point of pure X. Calculate the van't Hoff factor for sodium chloride in X. Be sure your answer has a unit symbol, if necessary, and round your answer to 2 significant digits.
When 361. g of urea (CH₂N₂O) are dissolved in 1350. g of a certain mystery liquid X, the freezing point of the solution is 8.5 °C lower than the freezing point of pure X. On the other hand, when 361. g of sodium chloride are dissolved in the same mass of X, the freezing point of the solution is 15.2 °C lower than the freezing point of pure X. Calculate the van't Hoff factor for sodium chloride in X. Be sure your answer has a unit symbol, if necessary, and round your answer to 2 significant digits.
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter6: Solutions And Colloids
Section: Chapter Questions
Problem 6.107P
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Transcribed Image Text:When 361. g of urea (CH₂N₂O) are dissolved in 1350. g of a certain mystery liquid X, the freezing point of the solution is 8.5 °C lower than
the freezing point of pure X. On the other hand, when 361. g of sodium chloride are dissolved in the same mass of X, the freezing point of the
solution is 15.2 °C lower than the freezing point of pure X.
Calculate the van't Hoff factor for sodium chloride in X. Be sure your answer has a unit symbol, if necessary, and round your answer to 2
significant digits.
-0
X
S
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