In this experiment you will do qualitative analyses to determine the identity of unknown compounds What does qualitative analysis mean? What does quantitative analysis mean? Use the flow chart to answer the following questions (A-E). A. Which non-water-soluble compound produces bubbles of gas when vinegar is added? B. Which two water-soluble compounds produce bubbles of gas when vinegar is added? C. Carefully examine the chemical formulas of the three compounds you just named above. what ion do all three have in common? Be sure to include the correct charge on the ion. D. Suppose that you are working with a water-soluble unknown which does not produce a bright pink colored solution when phenolphthalein is added. Based on this result, which of the unknowns might you have? (list all possible identities) E. After getting the results of this phenolphthalein test (no pink color, part D). Which test should you perform next to narrow down the list of possible identities for your unknown? It is very important not to use too much of the unknown compound when carrying out the water-solubility test Suppose you are working with an unknown that is actually soluble in water: you take a sample of the unknown that is too large (larger than the amount specified in the experimental procedure) and add some water What do you think will happen?