Homework Help is Here – Start Your Trial Now!
Science
Chemistry
The following results were obtained in the titration of an unknown monoprotic acid (Use data from table). Students identified the acid as benzoic. Copy VNaOH (no first raw), then pH(all values)  into your Lab Report template. Use the data you obtained to fill in the table below.  Concentration of NaOH used, M      1.164 x 10-1 Mass of unknown aid used, g           0.3840 1) Find: a) Equivalence point, mL. b) Half equivalence point, mL. c) pKa

The following results were obtained in the titration of an unknown monoprotic acid (Use data from table). Students identified the acid as benzoic. Copy VNaOH (no first raw), then pH(all values)  into your Lab Report template. Use the data you obtained to fill in the table below.  Concentration of NaOH used, M      1.164 x 10-1 Mass of unknown aid used, g           0.3840 1) Find: a) Equivalence point, mL. b) Half equivalence point, mL. c) pKa

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter7: Bonding In Organic Molecules
Section: Chapter Questions
Problem 45AP
See similar textbooks
icon
Related questions
Question

The following results were obtained in the titration of an unknown monoprotic acid (Use data from table). Students identified the acid as benzoic. Copy VNaOH (no first raw), then pH(all values)  into your Lab Report template. Use the data you obtained to fill in the table below. 

Concentration of NaOH used, M      1.164 x 10-1

Mass of unknown aid used, g           0.3840

1) Find:

a) Equivalence point, mL.

b) Half equivalence point, mL.

c) pKa

d) Ka

e) pKa from literature 

f) Percent Error

g) Number of moles of NaOH, mol.

h) Number of moles of acid titrated, mol.

i) Molar mass of acid g/mol.

j) Molar mass of acid, g/mol from the literature

k) Percent error

 

AutoSave Titration_For_Quiz_Benzoic_Acid - Protected View - P Search (Alt+Q) Off Elizabeth Garcia EG File Home Insert Page Layout Formulas Data Review View Help Acrobat P Comments A Share i) PROTECTED VIEW Be careful-files from the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. Enable Editing E54 fe A B E F G H J K L M P Q R Y AA AB AC AD AE 29 13.49 4.19 30 13.98 4.22 31 14.49 4.26 32 15.00 4.29 33 15.50 4.32 34 15.99 4.36 35 16.50 4.39 36 17.00 4.43 37 17.49 4.46 17.99 4.50 4.55 38 39 18.50 40 19.00 4.58 41 19.50 4.63 42 19.99 4.67 43 20.48 4.71 44 20.99 4.77 45 21.50 4.82 4.89 4.95 46 22.00 47 22.50 48 23.00 5.03 49 23.50 5.13 50 24.00 5.25 51 24.50 5.42 52 25.25 6.00 53 25.50 6.88 54| 25.99 10.18 55 26.50 10.73 56 27.00 10.98 57 27.48 11.13 58 27.99 11.23 59 28.50 11.32 60 28.99 11.38 61 29.50 11.44 62 30.00 11.49 11.53 11.57 63 30.50 64 31.00 65 32.02 11.63 66 33.01 11.68 67 68 Benzoic Ready 66% 7:45 PM P Type here to search 69°F 3/27/2022
Transcribed Image Text:AutoSave Titration_For_Quiz_Benzoic_Acid - Protected View - P Search (Alt+Q) Off Elizabeth Garcia EG File Home Insert Page Layout Formulas Data Review View Help Acrobat P Comments A Share i) PROTECTED VIEW Be careful-files from the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. Enable Editing E54 fe A B E F G H J K L M P Q R Y AA AB AC AD AE 29 13.49 4.19 30 13.98 4.22 31 14.49 4.26 32 15.00 4.29 33 15.50 4.32 34 15.99 4.36 35 16.50 4.39 36 17.00 4.43 37 17.49 4.46 17.99 4.50 4.55 38 39 18.50 40 19.00 4.58 41 19.50 4.63 42 19.99 4.67 43 20.48 4.71 44 20.99 4.77 45 21.50 4.82 4.89 4.95 46 22.00 47 22.50 48 23.00 5.03 49 23.50 5.13 50 24.00 5.25 51 24.50 5.42 52 25.25 6.00 53 25.50 6.88 54| 25.99 10.18 55 26.50 10.73 56 27.00 10.98 57 27.48 11.13 58 27.99 11.23 59 28.50 11.32 60 28.99 11.38 61 29.50 11.44 62 30.00 11.49 11.53 11.57 63 30.50 64 31.00 65 32.02 11.63 66 33.01 11.68 67 68 Benzoic Ready 66% 7:45 PM P Type here to search 69°F 3/27/2022
AutoSave Titration_For_Quiz_Benzoic_Acid - Protected View - P Search (Alt+Q) Off Elizabeth Garcia EG File Home Insert Page Layout Formulas Data Review View Help Acrobat P Comments A Share i) PROTECTED VIEW Be careful-files from the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. Enable Editing E54 fe A B D E F G H J K L M P Q R Y AA AB AC AD AE 1 NHaOH pH 2 0.00 2.60 3 0.50 2.66 4 0.99 2.76 5 1.50 2.90 6 2.00 3.04 7 2.49 3.15 8 3.00 3.24 9 3.49 3.33 10 4.00 3.40 11 4.50 3.47 12 4.99 3.53 13 5.49 3.59 14 6.01 3.64 15 6.50 3.68 16 6.99 3.73 17 7.50 3.77 18 7.99 3.81 19 8.50 3.85 20 8.98 3.89 21 9.50 3.92 22 10.00 3.96 23 10.48 3.99 24 11.00 4.02 25 11.48 4.06 26 12.00 4.10 27 12.50 4.13 28 13.00 4.16 29 13.49 4.19 30 13.98 4.22 31 14.49 4.26 32 15.00 4.29 33 15.50 4.32 34 15.99 4.36 35 16.50 4.39 17.00 17.49 17.99 36 4.43 37 4.46 38 4.50 39 18.50 4.55 40 19.00 4.58 Benzoic Ready 66% 7:45 PM P Type here to search 69°F 3/27/2022
Transcribed Image Text:AutoSave Titration_For_Quiz_Benzoic_Acid - Protected View - P Search (Alt+Q) Off Elizabeth Garcia EG File Home Insert Page Layout Formulas Data Review View Help Acrobat P Comments A Share i) PROTECTED VIEW Be careful-files from the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View. Enable Editing E54 fe A B D E F G H J K L M P Q R Y AA AB AC AD AE 1 NHaOH pH 2 0.00 2.60 3 0.50 2.66 4 0.99 2.76 5 1.50 2.90 6 2.00 3.04 7 2.49 3.15 8 3.00 3.24 9 3.49 3.33 10 4.00 3.40 11 4.50 3.47 12 4.99 3.53 13 5.49 3.59 14 6.01 3.64 15 6.50 3.68 16 6.99 3.73 17 7.50 3.77 18 7.99 3.81 19 8.50 3.85 20 8.98 3.89 21 9.50 3.92 22 10.00 3.96 23 10.48 3.99 24 11.00 4.02 25 11.48 4.06 26 12.00 4.10 27 12.50 4.13 28 13.00 4.16 29 13.49 4.19 30 13.98 4.22 31 14.49 4.26 32 15.00 4.29 33 15.50 4.32 34 15.99 4.36 35 16.50 4.39 17.00 17.49 17.99 36 4.43 37 4.46 38 4.50 39 18.50 4.55 40 19.00 4.58 Benzoic Ready 66% 7:45 PM P Type here to search 69°F 3/27/2022
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 4 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Basics of Titrimetric Analysis
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Principles of Modern Chemistry
Principles of Modern Chemistry
Chemistry
ISBN:
9781305079113
Author:
David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:
Cengage Learning
Chemistry: The Molecular Science
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
SEE MORE TEXTBOOKS