1. What is the lowest freezing temperature for a saltwater solution? The solubility of sodium chloride (NaCl) is 280g per 1000g of water at 0°C. kf of H20 = 1.86°C/m. 2. At what temperature will a solution freeze if 200g of calcium chloride, CaCl2, is dissolved in 850mL of water? kr H2O = 1.86°C/m 3. What is the freezing point of a solution that contains 64.3g of sucrose, C6H1206, in 200g of water? kr H20 = 1.86°C/m

1. What is the lowest freezing temperature for a saltwater solution? The solubility of sodium chloride (NaCl) is 280g per 1000g of water at 0°C. kf of H20 = 1.86°C/m. 2. At what temperature will a solution freeze if 200g of calcium chloride, CaCl2, is dissolved in 850mL of water? kr H2O = 1.86°C/m 3. What is the freezing point of a solution that contains 64.3g of sucrose, C6H1206, in 200g of water? kr H20 = 1.86°C/m

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Solve the problems below involving freezing point depression of a solution. Label each variable with the correct unit of measure.

1. What is the lowest freezing temperature for a saltwater
solution? The solubility of sodium chloride (NaCl) is 280g per
1000g of water at 0°C. kf of H20 = 1.86°C/m.
2. At what temperature will a solution freeze if 200g of calcium
chloride, CaCl2, is dissolved in 850mL of water? kr H2O = 1.86°C/m
3. What is the freezing point of a solution that contains 64.3g
of sucrose, C6H1206, in 200g of water? kr H20 = 1.86°C/m

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Hi, sorry about the unrelated Question I sent previously with the first one. It was related to a different question. a) Calculate and enter the freezing point depression of a solution of 52.4 g ethylene glycol (C2H6O2) in 364 g H2O.Kf for H2O is 1.86 °C kg/mol. b) A solution which contains 77.5 g of an unknown molecular compound in 342 g of water freezes at -5.18°C.What is the molar mass of the unknown? * I got 4.31 degrees celsius for A which was correct. I just need help with B.
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