The following steps were used to determine the concentration of acetic acid in vinegar. 1. Sodium hydroxide solution was standardised. A 20.00 mL sample of sodium hydroxide required 18.55 mL of 0.06733 molL" sulfuric acid to reach the end point. 2. The vinegar was diluted using a 25.00 ml pipette and a 250.0 mL volumetric flask. 3. The diluted vinegar was titrated using the standardised sodium hydroxide. 20.00 mL aliquots of the diluted vinegar required an average titre of 23.45 mL of NAOH(aq). (a) Calculate the concentration of the sodium hydroxide solution. ( (b) Calculate the concentration of the diluted vinegar in moll". (c) Calculate the concentration of the original vinegar, in gL. (
The following steps were used to determine the concentration of acetic acid in vinegar. 1. Sodium hydroxide solution was standardised. A 20.00 mL sample of sodium hydroxide required 18.55 mL of 0.06733 molL" sulfuric acid to reach the end point. 2. The vinegar was diluted using a 25.00 ml pipette and a 250.0 mL volumetric flask. 3. The diluted vinegar was titrated using the standardised sodium hydroxide. 20.00 mL aliquots of the diluted vinegar required an average titre of 23.45 mL of NAOH(aq). (a) Calculate the concentration of the sodium hydroxide solution. ( (b) Calculate the concentration of the diluted vinegar in moll". (c) Calculate the concentration of the original vinegar, in gL. (
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 84E: The concentration of a certain sodium hydroxide solution was determined by using the solution to...
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Transcribed Image Text:The following steps were used to determine the concentration of acetic acid in vinegar.
1. Sodium hydroxide solution was standardised. A 20.00 mL sample of sodium hydroxide
required 18.55 mL of 0.06733 moll sulfuric acid to reach the end point.
2. The vinegar was diluted using a 25.00 ml pipette and a 250.0 mL volumetric flask.
3. The diluted vinegar was titrated using the standardised sodium hydroxide. 20.00 ml
aliquots of the diluted vinegar required an average titre of 23.45 mL of NaOH(aq).
(a) Calculate the concentration of the sodium hydroxide solution. (
(b) Calculate the concentration of the diluted vinegar in molL".
(c) Calculate the concentration of the original vinegar, in gl,
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