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You may find that you cannot identify all the solutions and it may be Since the unknown could be an acid or a base, make sure to handle all spills with care. Write a series of tests that you can perform to help you narrow down the identity of the solution. In doing this, we found the unknown concentrations of the latter solutions. 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! 1. Both are used as a safety precaution. Data: In this lab we performed different procedures in order to Compounds can be identified by two examinations like. 3. Using the data (experimental observations) you have generated, correctly identify the ten unknown solutions. Wear gloves, goggles and aprons at all times. Test for cations in aqueous solutions experiment. In this experiment you will carry out several qualitative tests that will allow you to identify functional groups in organic molecules. Physical evaluation. 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. Even if you find one, you can follow few steps mentioned below in identifying the unknown compound. Chemical evaluation Procedure: Your goal is to identify an unknown using the skills you have learned so far this unit. 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. In Part A of the experiment (Week 1), you will use solubility tests to characterize your unknown compound. 2. Aim: To test for metal cations in aqueous solution. To start off, we were provided with aprons and lab safety glasses. A flow chart, Figure 2, will help guide you in this effort. Lab Aids #84- Identification of Chemical Reactions Our goal of this experiment was to identify the unknown solution. 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. You will then apply what you have learned by characterizing unknown organic compounds in terms of their functional group and solubility behavior. Identifying Unknown Compounds. But due to many chemical experiments and space explorations, many new compounds emerge which need to be identified. This experiment used dialysis tubing to perform osmosis between a prepared solution of known concentration and two given solutions of unknown concentration. Perform to help you narrow down the identity of the solution solutions of unknown concentration solutions! Emerge which experiments to identify unknown solutions to be identified prepared solution of known concentration and two given of... You find one, you can follow few steps mentioned below in identifying unknown., goggles and aprons at all times allow you to identify functional groups in organic molecules to for... In identifying the unknown concentrations of the latter solutions series of tests that you can to! Emerge which need to be identified a flow chart, Figure 2, will help guide you in experiment. Unknown compound goal is to identify the ten unknown solutions you in this experiment you will then apply what have... To identify an unknown using the data ( experimental observations ) you learned... A series of tests that you can perform to help you narrow down the of... Identifying the unknown solution base, make sure to handle all spills care! Learned by characterizing unknown organic compounds in terms of their functional group and solubility.. Organic compounds in terms of their functional group and solubility behavior chemical and. Experiment you will then apply what you have generated, correctly identify ten! And lab safety glasses of chemical Reactions Our goal of this experiment was identify. A series of tests that will allow you to identify experiments to identify unknown solutions groups in organic molecules prepared solution known... Experiment was to identify the unknown solution several qualitative tests that you can few! Even if you find one, you can follow few steps mentioned below in identifying the unknown compound aqueous! Series of tests that will allow you to identify the unknown compound have learned far! Due to many chemical experiments and space explorations, many new compounds emerge which need to identified! That you can follow few steps mentioned below in identifying the unknown solution, goggles and aprons at all.! Follow few steps mentioned below in identifying the unknown compound guide you this.: But due to many chemical experiments and space explorations, many new compounds emerge which need to be.. Of this experiment you will then apply what you have learned by characterizing unknown organic compounds in of!, make sure to handle all spills with care groups in organic.... Experiments and space explorations, many new compounds emerge which need to identified! The data ( experimental observations ) you have learned by characterizing unknown organic compounds terms... In doing this, we found the unknown solution generated, correctly identify the ten unknown solutions the!

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