What is in this Container 2

What is in this Container 2 - K a of Formic Acid, HCOOH 1.8...

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What is in this Container: A Capstone Experiment Pinal Patel Meagan Rowe Meredith Frobose November 19, 2010
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Introduction: Determine the identity of unknown compound using all techniques, skills, concepts, and principles acquired. Provide a series of chemical tests or instrumental analyses that will permit the team to identify any one of the 12 chemicals following: 1. Aluminum (s) , Al 2. Sodium hydrogen carbonate (s) , NaHCO 3 3. Barium chloride (s) , BaCl 2 4. Ammonia (aq) , NH 3 5. Formic acid (aq) , HCOOH 6. Sodium hydroxide (s) , NaOH 7. Hydrochloric acid (aq) , HCl 8. Iron(III) Choride (aq) , FeCl 3 9. Ethanol (l) , CH 3 CH 2 OH 10. Hexane (l) , C 6 H 14 11. Urea (s) , (NH 2 ) 2 CO 12. Potassium sulfate (s) , K 2 SO 4 One useful method to devise a plan to identify multiple compounds is the use of flow chart. The flow chart should begin with general tests that can be used to quickly categorize an unknown chemical according to compound class.
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Experimental procedure YES NO Acidic Basic Bright light No Light Weak light Bright Light
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Yes NO
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Table of values for some chemicals
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Unformatted text preview: K a of Formic Acid, HCOOH 1.8 X 10-4 K b of Ammonia, NH 3 1.8 X 10-5 Molar Mass of urea, (NH 2 ) 2 CO 60.055 g/mol Results: Determine water solubility of Unknown solution. Unknown #: DG-ZXC-V16 The unknown solution is water soluble. We can test for the following chemicals: Sodium hydrogen carbonate (s) , NaHCO 3 , Barium chloride (s) , BaCl 2 , Ammonia (aq) , NH 3 , Formic acid (aq) , HCOOH, Sodium hydroxide (s) , NaOH, Hydrochloric acid (aq) , HCl, Iron(III) Choride (aq) , FeCl 3 , Ethanol (l) , CH 3 CH 2 OH, Urea (s) , (NH 2 ) 2 CO, Potassium sulfate (s) , K 2 SO 4 If water soluble, record relevant information for each tests. pH of the unknown solution = 1.18 Bibliography Stanton, Bobby, Lin Zhu and Charles Atwood. Experiments in General Chemistry Featuring MeasureNet . Ed. Michele Baird, Maureen Staudt and Michael Stranz. Revised UGA Edition. Thompson Brooks/Cole, 2007....
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This note was uploaded on 01/16/2011 for the course CHEM 1212 taught by Professor Suggs during the Fall '08 term at University of Georgia Athens.

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What is in this Container 2 - K a of Formic Acid, HCOOH 1.8...

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