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3. Calculate the molecular weight of an unknown substance if 0.2064 grams of solid was added to 25.00 mL of cyclohexane and the resultant solution exhibited a freezing point depression of 2.1 degrees C.

3. Calculate the molecular weight of an unknown substance if 0.2064 grams of solid was added to 25.00 mL of cyclohexane and the resultant solution exhibited a freezing point depression of 2.1 degrees C.

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
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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Hi I need help with question 3 and 4
**CHM-202 Lab 2 Freezing Point Depression Rev2 G6-2022** Page 11/14 3. **Calculate the molecular weight of an unknown substance** if 0.2064 grams of solid was added to 25.00 mL of cyclohexane and the resultant solution exhibited a freezing point depression of 2.1 degrees C. 4. **What would be the effect on your calculated molecular weight of p-dichlorobenzene** if your lab partner left the stopper off of the apparatus while you were weighing the solid p-dichlorobenzene? Explain in detail what would happen if this occurred and how it would affect your result.
Transcribed Image Text:**CHM-202 Lab 2 Freezing Point Depression Rev2 G6-2022** Page 11/14 3. **Calculate the molecular weight of an unknown substance** if 0.2064 grams of solid was added to 25.00 mL of cyclohexane and the resultant solution exhibited a freezing point depression of 2.1 degrees C. 4. **What would be the effect on your calculated molecular weight of p-dichlorobenzene** if your lab partner left the stopper off of the apparatus while you were weighing the solid p-dichlorobenzene? Explain in detail what would happen if this occurred and how it would affect your result.
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