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6.) Calculate the molality of the solution (m) Use the equation: Tf (solution) – Tf (solvent) = –i Kf m The freezing point of pure water is 0.00 °C Kf for water is 1.86 °C/m

6.) Calculate the molality of the solution (m) Use the equation: Tf (solution) – Tf (solvent) = –i Kf m The freezing point of pure water is 0.00 °C Kf for water is 1.86 °C/m

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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6.) Calculate the molality of the solution (m)

Use the equation:

Tf (solution) – Tf (solvent) = –i Kf m

The freezing point of pure water is 0.00 °C

Kf for water is 1.86 °C/m

5.8871 Mass Nacl (g) 100.0 2. Volume of water (mL) 51.5023 3. Mass ice (g) -2.85 Freezing point of the 4. solution ('C) Part 1 Calculations What is the predicted value of i for NaCi? For electrolytes, assume i = the number of ions per formula unit. // Calculate the molality of the solution (m) Use the equation: 6. T; (solution) - T; (solvent) = -i K, m The freezing point of pure water is 0.00 C K, for water is 1.86 "C/m // Mass of solvent in grams Add together the masses of the liquid water and ice added to the calorimeter. Convert the volume of liquid water to mass using 1.000 g/ml as the density of water (see procedure for volume used).
Transcribed Image Text:5.8871 Mass Nacl (g) 100.0 2. Volume of water (mL) 51.5023 3. Mass ice (g) -2.85 Freezing point of the 4. solution ('C) Part 1 Calculations What is the predicted value of i for NaCi? For electrolytes, assume i = the number of ions per formula unit. // Calculate the molality of the solution (m) Use the equation: 6. T; (solution) - T; (solvent) = -i K, m The freezing point of pure water is 0.00 C K, for water is 1.86 "C/m // Mass of solvent in grams Add together the masses of the liquid water and ice added to the calorimeter. Convert the volume of liquid water to mass using 1.000 g/ml as the density of water (see procedure for volume used).
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