Lab # 6 Molecular Mass of an Acid and Analysis of Vinegar

Lab # 6 Molecular Mass of an Acid and Analysis of Vinegar -...

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Matthew Li St. John’s University X02318356 Molecular Mass of an Acid and the Analysis of Vinegar Locker # 358 Post Lab Questions:
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1. Why are three replicate titrations done for each sample? Three replications are performed in order to reduce error. 2. What other household products could be analyzed by titrations? Antacid tablets, fruit juice, household ammonia, etc.
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Unformatted text preview: 3. Why is it necessary to add an indicator? Describe how an indicator works. A chemical indicator is a substance that indicates the presence or absence of certain conditions. Phenolphthalein is a common indicator that remains colorless in acidic solutions and turns pink in basic solutions. M...
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Lab # 6 Molecular Mass of an Acid and Analysis of Vinegar -...

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