Exp 16 Molar Mass from Freezing Point_TEMPLATE UPDATED

005 g trial 1 trial 2 fractional uncertainty in the

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Unformatted text preview: 0.005 g. Trial #1 Trial #2 Fractional uncertainty in the Mass of Naphthalene Fractional uncertainty in the Mass of Sulfur Fractional uncertainty in the Freezing Point Lowering Fractional uncertainty in the Molar Mass of Sulfur Uncertainty in the Molar Mass of Sulfur Average Uncertainty in the Molar Mass of Sulfur Spring 2014 ± g/mole Exp 16 – Molar Mass from Freezing Pt Depression Dept. of Chemistry POST-LABORATORY QUESTIONS 1. Define Molality. (2 points) 2. Why is it necessary to express the concentration of sulfur in units of molality instead of molarity? (2 points) 3. How will your results be affected if some of the sulfur sticks to the walls of the test tube? Be specific. (3 points) 4. How will your results be affected if the sulfur does not dissolve completely? Be specific. (3 points) Spring 2014...
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