Exactly 0.5012 g of primary standard KHP (204.22 g/mol) was dissolved in 100.00 ml volumetric flask. A 20.00 ml of that solution was titrated with NaOH which required 8.40 ml to reach phenolphthalein end point. Calculate the molarity of NaoH? 1. O0.2544 M 2. O0.0584 M 3. O0.1023 M 4. O0.1532 M

Exactly 0.5012 g of primary standard KHP (204.22 g/mol) was dissolved in 100.00 ml volumetric flask. A 20.00 ml of that solution was titrated with NaOH which required 8.40 ml to reach phenolphthalein end point. Calculate the molarity of NaoH? 1. O0.2544 M 2. O0.0584 M 3. O0.1023 M 4. O0.1532 M

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter4: Types Of Chemical Reactions And Solution Stoichiometry

Section: Chapter Questions

Problem 47E

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Exactly 0.5012g of primary standard KHP (204.22 g/mol) was dissolved in 100.00 ml volumetric flask. A 20.00 ml of that solution
was titrated with NaOH which required 8.40 ml to reach phenolphthalein end point. Calculate the molarity of NaoH?
1. 00.2544 M
2. O0.0584 M
3. O0.1023 M
4. 00.1532 M
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