Given the following data for: Mass of test tube, beaker, cyclohexane =100.17 g Mass of test tube and beaker = 84.07 g Freezing point of cyclohexane = 6.59 °C Mass of weighing paper + naphthalene = 1.080 g Mass of weighing paper = 0.928 g Freezing point solution = 5.11 °C Kf = 20.8 °C/m Determine the following:
Given the following data for: Mass of test tube, beaker, cyclohexane =100.17 g Mass of test tube and beaker = 84.07 g Freezing point of cyclohexane = 6.59 °C Mass of weighing paper + naphthalene = 1.080 g Mass of weighing paper = 0.928 g Freezing point solution = 5.11 °C Kf = 20.8 °C/m Determine the following:
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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Given the following data for:
Mass of test tube, beaker, cyclohexane =100.17 g
Mass of test tube and beaker = 84.07 g
Freezing point of cyclohexane = 6.59 °C
Mass of weighing paper + naphthalene = 1.080 g
Mass of weighing paper = 0.928 g
Freezing point solution = 5.11 °C
Kf = 20.8 °C/m
Determine the following:
1. molality of solution (3 significant figures):
2. moles of naphthalene ( 3 significant figures):
3. molar mass of naphthalene experimentally (3 significant figures):
4. % error if theoretical molar mass of naphthalene is 128.17 g/mole, USE ABSOLUTE VALUE. (3 significant figure):
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