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Pages:
2 pages/≈550 words
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Level:
APA
Subject:
Biological & Biomedical Sciences
Type:
Lab Report
Language:
English (U.S.)
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Chemistry Lab Report Biological & Biomedical Sciences Lab Report (Lab Report Sample)

Instructions:

Titrimetric Analysis of Acetic Acid in the Unknown Vinegar

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Content:


Chemistry Lab Report: Titrimetric Analysis of Acetic Acid in the Unknown Vinegar
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Introduction
The purpose of this experiment is to find the molarity (concentration) of an unknown amount of vinegar by titration. This will be accomplished by titrating it with a standardized amount of sodium hydroxide. Stoichiometrically relating the molarities of the titrant (sodium hydroxide) and the titrand (vinegar) will help us find the molarity of vinegar. The sodium hydroxide will, however, be standardized by the use of potassium hydrogen phthalate, a common solution used to standardize bases.
Tables 1: Standardization of Sodium Hydroxide

Trial 1

Trial 2

Trial 3

Mass of KHP and container (use a 250-mL Erlenmeyer flask)

124.9089

124.9361

124.8115

Mass of container (use a 250-mL Erlenmeyer flask)

124.6492

124.7035

124.6784

Mass of KHP (g)

...
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