Physical evaluation. To start off, we were provided with aprons and lab safety glasses. Wear gloves, goggles and aprons at all times. Identifying Unknown Compounds. 1. 3. In this experiment you will carry out several qualitative tests that will allow you to identify functional groups in organic molecules. Since the unknown could be an acid or a base, make sure to handle all spills with care. Even if you find one, you can follow few steps mentioned below in identifying the unknown compound. In Part A of the experiment (Week 1), you will use solubility tests to characterize your unknown compound. You may find that you cannot identify all the solutions and it may be Compounds can be identified by two examinations like. In this lab we performed different procedures in order to In doing this, we found the unknown concentrations of the latter solutions. By comparing the solubility of your unknown in several aqueous solutions (described below), you will be able to limit the possible functional groups on your compound. This experiment used dialysis tubing to perform osmosis between a prepared solution of known concentration and two given solutions of unknown concentration. You will then apply what you have learned by characterizing unknown organic compounds in terms of their functional group and solubility behavior. Data: But due to many chemical experiments and space explorations, many new compounds emerge which need to be identified. 2. A flow chart, Figure 2, will help guide you in this effort. Write a series of tests that you can perform to help you narrow down the identity of the solution. Chemical evaluation Lab Aids #84- Identification of Chemical Reactions Our goal of this experiment was to identify the unknown solution. Using the data (experimental observations) you have generated, correctly identify the ten unknown solutions. Experiment 6: Analysis of Unknown Solutions Southern California University of Health Sciences Chem 211 Dr. Okezie Aruoma September 19, 2018 Abstract Analysis of unknown solutions is done by developing logical tests to observe chemical reactions to make a qualitative analysis. Test for cations in aqueous solutions experiment. Procedure: Your goal is to identify an unknown using the skills you have learned so far this unit. A systematic, organized approach to this experiment will yield much more meaningful results than a random combination of all 20 bottles of chemicals two at a time! Materials: 1 mol dm-3 solutions of aluminium nitrate, ammonium chloride, ... the knowledge you have- learnt about the reactions of anions and cations to help you plan and carry out experiments to identify the anions and cations in an unknown salt. Aim: To test for metal cations in aqueous solution. Both are used as a safety precaution. 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