Task: You are a forensic analyst employed at the Baltimore County Forensic Lab. You plan to perform paper chromatography on the ink from the note and a sample from the marker. Permanent marker ink is non-polar. You need to select the best solvent to use as the mobile phase in order to compare the ink sample and determine if they may be a match. The solvents you have available to you are carbon tetrachloride and water. Which solvent would be best to analyze the ink samples using paper chromotography? Your explanation should include: • the name of the liquid solvent that should be used for the paper chromatography analysis • scientific reasoning for your choice of the liquid solvent that will be used • the Lewis structures for carbon tetrachloride, CCl4, and water, H2O • how the shape and symmetry of each molecule influences its polarity
Task: You are a
Which solvent would be best to analyze the ink samples using paper chromotography?
Your explanation should include:
• the name of the liquid solvent that should be used for the paper chromatography analysis
• scientific reasoning for your choice of the liquid solvent that will be used
• the Lewis structures for carbon tetrachloride, CCl4, and water, H2O
• how the shape and symmetry of each molecule influences its polarity
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