Using experimentally values of Ka and molarity of the acid solution and the molarity of the standardized NaOH solution, calculate the pH of the following points of your titration curve. Use RICE table or and Henderson-Hasselbalch equation At 5.00 mL of NaOH before the equivalence point? At the equivalence point? ?At 5.00 ml after the equivalence point  Ka: 1.26*10^-5 Molarity of Acid: 2.0231  NaOH Concentration: 0.09142 Stock solution volume: 250mL Initial pH: 3.08 Unknown Acid:  Mass of acid in solution: 4.45 g Sample used in titration: 10mL

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6. Using experimentally values of Ka and molarity of the acid solution and the molarity of the standardized NaOH solution, calculate the pH of the following points of your titration curve. Use RICE table or and Henderson-Hasselbalch equation

At 5.00 mL of NaOH before the equivalence point? At the equivalence point? ?At 5.00 ml after the equivalence point 

  • Ka: 1.26*10^-5
  • Molarity of Acid: 2.0231 
  • NaOH Concentration: 0.09142
  • Stock solution volume: 250mL
  • Initial pH: 3.08
  • Unknown Acid: 
    • Mass of acid in solution: 4.45 g
    • Sample used in titration: 10mL
Titration Curve - pH vs Volume
14.00
12.00
10.00
8.00
6.00
4.00
2.00
Volume of NaOH, ml
0.00
0.00
5.00
10.00
15.00
20.00
25.00
30.00
35.00
Hd
Transcribed Image Text:Titration Curve - pH vs Volume 14.00 12.00 10.00 8.00 6.00 4.00 2.00 Volume of NaOH, ml 0.00 0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 Hd
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