When 32.7 g of alanine (C3H,NO,) are dissolved in 500. g of a certain mystery liquid X, the freezing point of the solution is 3.9 °C lower than the freezing point of pure X. On the other hand, when 32.7 g of potassium bromide are dissolved in the same mass of X, the freezing point of the solution is 5.5 °C lower than the freezing point of pure X. Calculate the van't Hoff factor for potassium bromide in X. Be sure your answer has a unit symbol, if necessary, and round your answer to 2 significant digits.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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When 32.7 g of alanine (C3H,NO,)
are dissolved in 500. g of a certain mystery liquid X, the freezing point of the solution is 3.9 °C lower than the freezing
point of pure X. On the other hand, when 32.7 g of potassium bromide are dissolved in the same mass of X, the freezing point of the solution is 5.5 °C lower
than the freezing point of pure X.
Calculate the van't Hoff factor for potassium bromide in X. Be sure your answer has a unit symbol, if necessary, and round your answer to 2 significant digits.
i = |
Transcribed Image Text:When 32.7 g of alanine (C3H,NO,) are dissolved in 500. g of a certain mystery liquid X, the freezing point of the solution is 3.9 °C lower than the freezing point of pure X. On the other hand, when 32.7 g of potassium bromide are dissolved in the same mass of X, the freezing point of the solution is 5.5 °C lower than the freezing point of pure X. Calculate the van't Hoff factor for potassium bromide in X. Be sure your answer has a unit symbol, if necessary, and round your answer to 2 significant digits. i = |
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