I specifically need help writing the net ionic equations for part 1 To perform a
ID: 513764 • Letter: I
Question
I specifically need help writing the net ionic equations for part 1 To perform a flame test: drip rome wire in 12 M HCl; heat wire over hottest part of Bunsen burner: repeat until no color is seen when wire is placed in the flame; and once clean, dip wire in solution to be tested and place the wire in the flame. D. AMMONIUM ION (NHL) 7. Place 2 ml of original cation solution in 100-mL beaker 8. Add 2 mL 6 M NaoH, 9, Moisten a piece of red litmus paper with water and stick it to the convex side of a watch glass. 10, Cover the beaker with the watch glass, convex side down. 11. Gently warm the beaker Record your observations. A change in color of the litmus paper from red to blue indicates the presence of NH' lutmuu turned blue, NHA E. UNKNOWN CATION 12. Use the procedures above to determine what cation(s) are present in your unknown sample. Record your observations via a flow chart and data tables. Part 2: Anion Reference Tests A. PRELIMINARY TESTS 1. Examine and record the color of your solid. 2. Test the reactions of your solid by following the procedure below (see Table 8.1). (2.1) Dissolve some of your unknown/known (pea-sized amount) in water and add four drop sof 0.1 M AgNO, solution. Record your observations. (2.2) Dissolve another small amount of your sample in water and add four drops of 6 M HNO, (to make the solution acidic) followed by 0.1 M AgNO, Stir the mixture and record your observations. BaCl and stir. Record your results. (24) Acidify the mixture from step 2.3 by adding four drops of 6 M HNo, stir and record your observations. (2.5) Test the reaction of your unknown with concentrated sulfuric acid by adding 1-2 drops of H,so, to your (pea-sized) sample in a test tube. NOTE: Be careful! Concentrated H So, causes severe burns
Explanation / Answer
In part A
Ammonium ion is reacting with NaOH to evolve NH3 gas
The net ionic reaction will be
NH4+ (aq) + OH- (aq) ---> NH3(g) + H2O(l)