EXPERIMENT: DETERMINATION OF THE AMOUNT OF POTASSIUM HYDROXIDE IN THE GIVEN SOLUTION   Aim: To determine the amount of Potassium Hydroxide in the given solution. Materials: 0.1N, 100 ml Sodium carbonate solution Sodium carbonate (Na2CO3), hydrochloric acid (HCl), Potassium hydroxide(KOH), phenolphthalein indicator, methyl orange indicator, pipette, burette, conical flask, Measure cylinder (10 ml ), Volumetric flask(100) ml), Weighting machine balance. Theoretical Background: ……………………   Observations: Standardization of HCl Sl. No Volume    of sodium carbonate (V1) Initial burette reading Final burette reading Volume of HCl used 1 10 0.0 9.9 9.9 2 10 9.9 19.9 10.0 3 10 19.9 29.9 10.0   Concordant value (V2) = 10 ml Estimation of KOH Sl. No Volume   of KOH (V4) Initial burette reading Final burette reading Volume   of HCl used 1 10 0.0 8.1 8.1 2 10 8.1 16.1 8 3 10 16.1 24.1 8     Concordant value (V3) = 8 ml Calculations: Normality of Na2CO3 solution (N1) = 0.1 N Mass of Na2CO3 = ….. Standardization of HCl: N1V1 (Na2CO3) = N2 V2 (HCl) Normality of HCl, N2 =………………… *N3V3 (HCl) = N4V4 (Unknown KOH) [* N3 = N2 because same HCl is being used in both titration] Normality of KOH, N4 =…………………… Amount of KOH in g /L = N4 * Equivalent weight of KOH =……………………..

Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN:9781305960060
Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Chapter9: Acids, Bases, And Salts
Section: Chapter Questions
Problem 9.109E
icon
Related questions
Question

EXPERIMENT: DETERMINATION OF THE AMOUNT OF POTASSIUM HYDROXIDE IN THE GIVEN SOLUTION

 

Aim: To determine the amount of Potassium Hydroxide in the given solution.

Materials: 0.1N, 100 ml Sodium carbonate solution Sodium carbonate (Na2CO3), hydrochloric acid (HCl), Potassium hydroxide(KOH), phenolphthalein indicator, methyl orange indicator, pipette, burette, conical flask, Measure cylinder (10 ml ), Volumetric flask(100) ml), Weighting machine balance.

Theoretical Background: ……………………

 

Observations:

Standardization of HCl

Sl. No

Volume    of sodium carbonate (V1)

Initial burette reading

Final burette reading

Volume of

HCl used

1

10

0.0

9.9

9.9

2

10

9.9

19.9

10.0

3

10

19.9

29.9

10.0

 

Concordant value (V2) = 10 ml

Estimation of KOH

Sl. No

Volume   of

KOH (V4)

Initial burette reading

Final burette reading

Volume   of

HCl used

1

10

0.0

8.1

8.1

2

10

8.1

16.1

8

3

10

16.1

24.1

8

 

 

Concordant value (V3) = 8 ml

Calculations:

Normality of Na2CO3 solution (N1) = 0.1 N

Mass of Na2CO3 = …..

Standardization of HCl:

N1V1 (Na2CO3) = N2 V2 (HCl)

Normality of HCl, N2 =…………………

*N3V3 (HCl) = N4V4 (Unknown KOH) [* N3 = N2 because same HCl is being used in both titration]

Normality of KOH, N4 =……………………

Amount of KOH in g /L = N4 * Equivalent weight of KOH =……………………..

Result discussion: ………………

Precautions:

References: ………

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 4 steps

Blurred answer
Knowledge Booster
Analytical Processes
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
Chemistry for Today: General, Organic, and Bioche…
Chemistry for Today: General, Organic, and Bioche…
Chemistry
ISBN:
9781305960060
Author:
Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher:
Cengage Learning
Chemistry: Matter and Change
Chemistry: Matter and Change
Chemistry
ISBN:
9780078746376
Author:
Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:
Glencoe/McGraw-Hill School Pub Co
Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
Chemistry
ISBN:
9781337399425
Author:
Steven S. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry: The Molecular Science
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
Fundamentals Of Analytical Chemistry
Fundamentals Of Analytical Chemistry
Chemistry
ISBN:
9781285640686
Author:
Skoog
Publisher:
Cengage