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

Chemistry: Principles and Reactions
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Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter10: Solutions
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Problem 66QAP: The Henry's law constant for the solubility of radon in water at is 9.57106 M/mm Hg. Radon is...
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Mass of test tube, beaker, and cyclohexane = 100.17 g

Mass of test tube and beaker =  84.07 g

Freezing point of cyclohexane = 6.59 oC

Mass of weighing paper + naphthalene  =1.080 g

Mass of weighing paper = 0.928 g

Freezing point solution  = 5.11oC

Kf = 20.8 oC/m

Determine the following:

d. molality of solution (3 significant figures):

e.  moles of naphthalene (3 significant figures):

f.  molar mass of naphthalene, experimentally (3 significant figures):

g.  % error if theoretical molar mass of naphthalene is 128.17 g/ mole, USE ABSOLUTE VALUE (3 significant figure):

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