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DV Clear 2 SVO 2 m plus 10.8.5.3 5.3 Uhr SML 10.639 3.9 wema Ovom.52 OWO Cuor 3 Sage Tabletion Data OD HO 00 ONS IPLO 20 YO & リトリー:263 1960 Total Added 40 Totalm. Added Post-Lab Questions 1 Create a graph of the inne of 20 m. sudynia 5 Macie sure to life your graph and label your wif you do not have a graphing program 2. What is the pH of the solution at the equivalence point shown by the titration curve? 1. Which indicator show a color change at about the same as the equivalence port methyl - Orange con Falin the following data Initial color of the solution Orange Amount of citric acid needed to reach the end point po 13 m2 6. Color of solution after endpoint was reached Pink $ Idently two reasons why you did not choose the other two indications to be used in the titration station 8. How did the moftrant needed to reach the endpoint using the indicator you chose compare with the moffrant needed to reach the equivalence point? 7 is the indicator you chose a good indicator for this titration? Explain your answer Yes because it changes from its basic color to its acidic color
2. What is the pH of the solution at the equivalence point shown by the titration curve? 3. Which indicator shows a color change at about the same pH as the equivalence point? methyl - Orange Qam 4. Fill in the following data: a. Initial color of the solution: Orange b. Amount of citric acid needed to reach the end point: Does 13 m2 C. Color of solution after endpoint was reached: Pink 5. Identify two reasons why you did not choose the other two indicators to be used in the titration? titration. 6. How did the mL of titrant needed to reach the endpoint using the indicator you chose compare with the mL of titrant needed to reach the equivalence point?
EXPERIMENT 1: GETTING AQUAINTED WITH INDICATORS Data Sheet BO Table 2: Indicator, pH Range, and Color Change Amoun Noodoutor Indicator at Color Ronction to H Range Change Complete Bromthuhe blue 2ML Tum merc 5ML 10.6 3.9 3.9 methyl orange 13ML 10.5.2.7 2.7 1 (10.8.5.3 5.3 Color Flal blue: Clear amber Clear Orange 2 3 Table 3: Titration Data Part 2: ml Citi Acid Added 0.0 Part 2 PH Part : pH Pat Color Panam Cluic Acid Added 0.0 1.0 20 10 20 3.0 10.0 21 5.9 4. 3.5 4.0 Total mL Added: 4.0 Total mL Added: Post-Lab Questions 1. Create a graph of the titration curve of 20 mL sudsy ammonia with 0.5 M citric acid. Be sure to title your graph and label your axes. If you do not have a graphing program