Procedure Preparation of Dilute Solution of Vinegar • Using a 10 mL pipette, transfer 10mL of vinegar into 100 mL volumetric flask. • Dilute to mark of the volumetric flask using distilled water. B. Titration of Diluted Solution of Vinegar • Transfer 25 mL of diluted solution to 250 mL Erlenmeyer flask. • Add 0.5 mL phenolphthalein indicator. Set aside. • Transfer 50mL of 0.110 M NaOH into a 50 mL burette. • Titrate the diluted solution until the phenolphthalein endpoint (very faint pink). • Record volume of NaOH used. Answer the question: What is the experimentally determined concentration of acetic acid in your vinegar solution: (Please give your answer to three significant figures.) ______ M Acetic Acid
Procedure Preparation of Dilute Solution of Vinegar • Using a 10 mL pipette, transfer 10mL of vinegar into 100 mL volumetric flask. • Dilute to mark of the volumetric flask using distilled water. B. Titration of Diluted Solution of Vinegar • Transfer 25 mL of diluted solution to 250 mL Erlenmeyer flask. • Add 0.5 mL phenolphthalein indicator. Set aside. • Transfer 50mL of 0.110 M NaOH into a 50 mL burette. • Titrate the diluted solution until the phenolphthalein endpoint (very faint pink). • Record volume of NaOH used. Answer the question: What is the experimentally determined concentration of acetic acid in your vinegar solution: (Please give your answer to three significant figures.) ______ M Acetic Acid
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.9QE
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Question
Procedure
Preparation of Dilute Solution of Vinegar
• Using a 10 mL pipette, transfer 10mL of vinegar into 100 mL volumetric flask.
• Dilute to mark of the volumetric flask using distilled water.
B. Titration of Diluted Solution of Vinegar
• Transfer 25 mL of diluted solution to 250 mL Erlenmeyer flask.
• Add 0.5 mL phenolphthalein indicator. Set aside.
• Transfer 50mL of 0.110 M NaOH into a 50 mL burette.
• Titrate the diluted solution until the phenolphthalein endpoint (very faint pink).
• Record volume of NaOH used.
Answer the question:
What is the experimentally determined concentration of acetic acid in your vinegar solution: (Please give your answer to three significant figures.)
______ M Acetic Acid
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