CH202 In Lab 03 Freezing Po..

CH202 In Lab 03 Freezing Po.. - CH202 In Lab 03 Freezing...

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CH202 In Lab 03 Freezing Point Depression (In-Lab) SCHNELL ZACHARY EUGENE CH202, section 005, Fall 2008 Instructor: weiming zheng TA Web Assign Current Score: 50 out of 50 Due: Tuesday, September 16, 2008 07:15 PM EDT The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Request Extension 1. 35/35 points Data Tables Note: All masses must be reported to three decimal places and all temperatures must be reported to one decimal place. Data Table A. Measuring the Freezing Point of Stearic Acid Mass of 30 mL beaker 22.475 g Mass of 30 mL beaker plus stearic acid 31.535 g Mass of stearic acid 9.060 g Measured freezing point of stearic acid (first trial) 69.3 Measured freezing point of stearic acid (second trial) 69.1 Average measured freezing point of stearic acid 69.2 Data Table B. Freezing Point Depression by a Solute, Lauric Acid First Solution Second Solution Mass of 30 mL beaker and contents 30.933 g 30.933 g Mass of 30 mL beaker plus stearic and lauric acids
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CH202 In Lab 03 Freezing Po.. - CH202 In Lab 03 Freezing...

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