Mass of NaCl (g) Molality of NaCl Solution (m) PART 11.2 Trial # 1 Using the data you have collected for Part II of the experiment, complete the following table. For the freezing point depression calculation, be sure to use the average value for the freezing point of pure water and the value for the molality of the solution that you entered earlier. 2 3 Tf (ave), pure H₂O (°C) Unrounded -0.100 Tf, NaCl(aq) (°C) -2.8 0.840150 • Temperature values should be entered in to nearest 0.1 °C. -2.8 -2.8 Freezing Point Depression of NaCl (aq) (AT) (°C) Unrounded 3 3 3 Rounded P D 3 0.490 3 0.840 3 Freezing Point Constant of Water, Kf (°C/m) Unrounded D D 3 3 3 Rounded P 3 3 3
Mass of NaCl (g) Molality of NaCl Solution (m) PART 11.2 Trial # 1 Using the data you have collected for Part II of the experiment, complete the following table. For the freezing point depression calculation, be sure to use the average value for the freezing point of pure water and the value for the molality of the solution that you entered earlier. 2 3 Tf (ave), pure H₂O (°C) Unrounded -0.100 Tf, NaCl(aq) (°C) -2.8 0.840150 • Temperature values should be entered in to nearest 0.1 °C. -2.8 -2.8 Freezing Point Depression of NaCl (aq) (AT) (°C) Unrounded 3 3 3 Rounded P D 3 0.490 3 0.840 3 Freezing Point Constant of Water, Kf (°C/m) Unrounded D D 3 3 3 Rounded P 3 3 3
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter12: Solutions
Section: Chapter Questions
Problem 12.103QE
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Transcribed Image Text:Mass of NaCl (g)
Molality of NaCl Solution (m)
PART 11.2
Trial #
1
Using the data you have collected for Part II of the experiment, complete the following table. For the freezing point depression
calculation, be sure to use the average value for the freezing point of pure water and the value for the molality of the solution that you
entered earlier.
2
3
Tf (ave), pure H₂O
(°C)
Unrounded
-0.100
Tf, NaCl(aq)
(°C)
-2.8
0.840150
• Temperature values should be entered in to nearest 0.1 °C.
-2.8
-2.8
Freezing Point Depression of
NaCl (aq) (AT) (°C)
Unrounded
3
3
3
Rounded
D
3
0.490
3
0.840
3
Freezing Point Constant of Water,
Kf (°C/m)
Unrounded
P
P
P
3
3
3
Rounded
P
a
D
3
3
3
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