When 50.5 g of urea (CH,N,0) are dissolved in 1200. g of a certain mystery liquid X. the freezing point of the solubion is 8.70 C less than the freezing pont of pure X. Calculate the mass of iron(III) chloride that must be dissolved in the same mass of Xto produce the same depression in freening point. The van't Hoff factor i=3.00 for iron(III) chloride in X. Be sure your answer has a unit symbol, if necessary, and round your answer to 3 significant digits.

Chemistry: Principles and Practice
3rd Edition
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Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Chapter12: Solutions
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Problem 12.82QE: The freezing point of a 0.031-m solution of copper(II) sulfate in water is 0.075 C. (a) Calculate...
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When 50.5 g of urea (CH,N,0) are dissolved in 1200. g of a certain mystery bquid X, the freezing point of the solution is 8.70 C less than the freenng pont
of pure X.
Calculate the mass of iron(I) chloride that must be dissolved in the same mass of X to produce the same depression in freezing point. The van't Hoff factor
i=3.00 for iron(III) chlaride in X.
Be sure your answer has a unit symbol, if necessary, and round your answer to 3 significant digits.
Transcribed Image Text:When 50.5 g of urea (CH,N,0) are dissolved in 1200. g of a certain mystery bquid X, the freezing point of the solution is 8.70 C less than the freenng pont of pure X. Calculate the mass of iron(I) chloride that must be dissolved in the same mass of X to produce the same depression in freezing point. The van't Hoff factor i=3.00 for iron(III) chlaride in X. Be sure your answer has a unit symbol, if necessary, and round your answer to 3 significant digits.
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