please show example on how to solve I'm so confused unbe10. Use the volume of NaOH used to reach the equivalence point, the given molarity of the NaOH used,and the volume of acid used to calculate the molarity of the acid.11. Find the pH at the point when 2 of the NaOH needed to reach the equivalence was added. Usethis to find the pka of the acid, and the Ka of the acid.12. Using your value of Ka, identify your unknown acid. Possible unknowns are listed in table below.NameFormulaКаpKaАcetic acidHC2H3O21.76 x 10-54.75Sodium bisulfiteNaHSO41.02 x 10-21.99Formic acidHCHO21.77 x 10-43.75Propionic AcidC3H6O21.34 x 10-54.87Chloroacetic AcidHCICH2O21.40 x 10-32.8513. Print a copy of the graph of the titration. You can print the graph directly from LabQuest.Part D: Addition of an acid and base to a buffer solution1. In order to create a buffer, add 20.00mL of your weak acid intoa clean 125 mL flask using a pipette. Volume deliveredMolarity of unknown acidPart C: Titration of unknown monoprotic acid using NaOH and a pH sensor1.96Initial pHFrom your analysis of the titration curve:23.203mL of NaOH used to reach the equivalence point0.09696Calculated Molarity of the unknown acid2.92pH at the half-way to the equivalence pointpKa the unknown acidKa of the unknown acidIdentity of unknown acidPart D: Addition of an acid and base to a buffer solution

The above method is an example of pH metric titration, where by plotting pH vs volume of titrant or…

1.96 Initial pH From your analysis of the titration curve: 23.203 mL of NaOH used to reach the equivalence point. Calculated Molarity of the unknown acid 0.09696 2.92 pH at the half-way to the equivalence point pKa the unknown acid Ka of the unknown acid Identity of unknown acid

1.96 Initial pH From your analysis of the titration curve: 23.203 mL of NaOH used to reach the equivalence point. Calculated Molarity of the unknown acid 0.09696 2.92 pH at the half-way to the equivalence point pKa the unknown acid Ka of the unknown acid Identity of unknown acid

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter14: Equilibria In Acid-base Solutions

Section: Chapter Questions

Problem 32QAP: Enough water is added to the buffer in Question 30 to make the total volume 5.00 L. (a) Calculate...

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