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:

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Chapter1: Chemical Foundations
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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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