Che. 065: Acid -Base Titration: Part I: Standardization of NaOH(aq): Molarity of NaOH(aq) is determined by using the stoichiometry reaction with a strong acid such as HCl(aq). Part II: Molarity and mass % of acetic acid CH3COOH(aq) in a vinegar solution are determined by the reaction with NaOH(aq). Part I: Standardization of NaOH(aq): Use a 50.00 mL. Buret: wash it with tap H2O twice, with deionized H2O twice and twice with 0.100 M HCl (aq). Fill the buret with 0.100 M HCl(aq), remove the air bubble and adjust the initial buret reading to 0.00 mL. Get two 125 mL. Erlenmeyer. To each Erlenmeyer flask add 20.00 mL. HCl(aq) from the buret. Burette Holder Burette Flask Support Stand Trail 2 Trial 1 Initial buret reading of HCl(aq): 0.00 mL. Final buret reading of HCl(aq): 20.00 mL. Volume of HCl(aq): Initial buret reading of HCl(aq): 20.00 mL. Final buret reading of HCl(aq) : 40.00 mL. Volume of HCl(aq) Add 3 drops of phenolphethaleine to each Erlenmeyer flask, the color of solution is colorless. Get another 50.00 mL. buret, wash it with tap H2O twice, with deionized H2O twice and twice with NaOH (aq). Fill buret with NaOH(aq), remove the air bubble, and adjust the initial volume at 0.00 mL. Titrate Each Erlenmeyer flask (HCl(aq)) with NaOH(aq) until the solution turns to light pink by adding 1 or 2 extra drops of NaOh(aq). Then stop adding NaOH(aq) from buret, and read the volume of NaOH(aq)
Che. 065: Acid -Base Titration: Part I: Standardization of NaOH(aq): Molarity of NaOH(aq) is determined by using the stoichiometry reaction with a strong acid such as HCl(aq). Part II: Molarity and mass % of acetic acid CH3COOH(aq) in a vinegar solution are determined by the reaction with NaOH(aq). Part I: Standardization of NaOH(aq): Use a 50.00 mL. Buret: wash it with tap H2O twice, with deionized H2O twice and twice with 0.100 M HCl (aq). Fill the buret with 0.100 M HCl(aq), remove the air bubble and adjust the initial buret reading to 0.00 mL. Get two 125 mL. Erlenmeyer. To each Erlenmeyer flask add 20.00 mL. HCl(aq) from the buret. Burette Holder Burette Flask Support Stand Trail 2 Trial 1 Initial buret reading of HCl(aq): 0.00 mL. Final buret reading of HCl(aq): 20.00 mL. Volume of HCl(aq): Initial buret reading of HCl(aq): 20.00 mL. Final buret reading of HCl(aq) : 40.00 mL. Volume of HCl(aq) Add 3 drops of phenolphethaleine to each Erlenmeyer flask, the color of solution is colorless. Get another 50.00 mL. buret, wash it with tap H2O twice, with deionized H2O twice and twice with NaOH (aq). Fill buret with NaOH(aq), remove the air bubble, and adjust the initial volume at 0.00 mL. Titrate Each Erlenmeyer flask (HCl(aq)) with NaOH(aq) until the solution turns to light pink by adding 1 or 2 extra drops of NaOh(aq). Then stop adding NaOH(aq) from buret, and read the volume of NaOH(aq)
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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
Transcribed Image Text:Che. 065: Acid -Base Titration:
Part I: Standardization of NaOH(aq): Molarity of NaOH(aq) is determined by using the
stoichiometry reaction with a strong acid such as HCl(aq).
Part II: Molarity and mass % of acetic acid CH3COOH(aq) in a vinegar solution are determined
by the reaction with NaOH(aq).
Part I: Standardization of NaOH(aq):
Use a 50.00 mL. Buret : wash it with tap H2O twice, with deionized H2O twice and twice with
0.100 M HCl (aq). Fill the buret with 0.100 M HCl(aq), remove the air bubble and adjust the
initial buret reading to 0.00 mL.
Get two 125 mL. Erlenmeyer. To each Erlenmeyer flask add 20.00 mL. HCl(aq) from the buret.
Burette Holder
3P
Burette
Flask
Support
Stand
Trail 2
Trial 1
Initial buret reading of HCl(aq): 0.00 mL.
Final buret reading of HCl(aq): 20.00 mL.
Volume of HCl(aq) :
Initial buret reading of HCl(aq): 20.00 mL.
Final buret reading of HCl(aq): 40.00 mL.
Volume of HCl(aq)
Add 3 drops of phenolphethaleine to each Erlenmeyer flask, the color of solution is colorless.
Get another 50.00 mL. buret, wash it with tap H2O twice, with deionized H2O twice and twice
with NaOH (aq). Fill buret with NaOH(aq), remove the air bubble, and adjust the initial volume
at 0.00 mL. Titrate Each Erlenmeyer flask (HCl(aq)) with NaOH(aq) until the solution turns to
light pink by adding 1 or 2 extra drops of NaOh(aq). Then stop adding NaOH(aq) from buret,
and read the volume of NaOH(aq)
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