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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 by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter15: Equilibria Of Other Reaction Classes
Section: Chapter Questions
Problem 82E: The simplest amino acid is glycine, H2NCH2CO2H. The common feature of amino acids is that they...
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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)
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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