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Monday, March 4, 2013

The Determination of the Concentration of Acetic Acid in Vinegar


Table of content

No| Title| Pages|
1| Abstract| 2|
2| Introduction| 2,3|
3| Objectives| 3|
4| possible action| 4,5|
5| Apparatus| 6|
6| Experimental execution| 7,8|
7| Results| 8 - 13|
8| Sample calculations| 14 - 17|
9| Discussion | 18,19|
10| Conclusion| 19|
11| Recommendations| 20|
12| References| 20|
13| Appendices| 20|

Abstract
Acetic acid is an organic compound with chemical pattern CH3COOH. Apart from water, acetic acid is the main comp adeptnt of vinegar. In this look into, the niggardliness of acetic acid in vinegar fire be determined by performing titration performance. In the first gear experiment , solution of KHP is being titrated with NaOH solution. To get accurate result, this titration process are repeated for another two times. The entire summons by which we obtain the molarity of a solution of one perfume (NaOH) from an accurately known get of another substance (KHP) is called standardization. The honest molarity of the sodium hydroxide solution will be used in the next experiment. The second experiment is conducted to determine the molarity of acetic acid and mass percent in vinegar. 100mL of distilled water was added to 10mL of vinegar and followed by 1mL of NaOH was pour into the solution.

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The average volume of NaOH required to neutralize the vinegar in severally titration is 12.22mL .The experiment was completely and successfully done.
Introduction
Concentration of solution is the amount of solute in a given amount of solvent. A intemperate solution contains a relatively large quantity of solute in a given amount of solvent. Dilute solutions contain relatively little solute in a given amount of solvent. thither are two specific terms to express concentration , namely molarity and percent by mass :
yard is the number of moles of solute per litre of solution .
Molarity ( M ) : moles of soluteliter of solution
percentage by mass is the mass in grams of solute per 100 grams of solution
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