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Chemistry
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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1: Experiment 9: ACID-BASE TITRATION: STANDARDIZATION What is the frequency of the spectral moves from n=5 to n=2? ΔΕΞ Data and Results Date Name CHEM 131 Sec: Part I: Using KHP for Standardization Show all calculations on back of page and attach additional pages as necessary. #2 #3 #1 0.369 0.313 0.311 Mass of KHP (g) 1.81x 103 / 1.53 x 10³ 1.52 x 10 #Moles of KHP (moles) 1.31 × 10³ | 1.53x10 | 1.52 × 10/³ #Moles of NaOH used each trial 0.01367 0.01170 0.01SS Volume of NaOH solution used each trial (L) 0.132 0.132 0.131 Molarity NaOH in each trial On board 0.132 Average Molarity Deviation from Average Molarity 0 0.001 Average Deviation 0.003 0.25% Percent Average Deviation (RAD) Part II: Concentration of HCI Using Standard NaOH Show all calculations on back of page and attach additional pages as necessary. Molarity of Standard NaOH solution: #1 #2 #3 Volume of NaOH solution in each flask (L) #Moles of NaOH in each flask #Moles of HCl to reach endpoint Volume of HCl solution to reach endpoint (L) Molarity HCl in each trial Average Molarity Deviation from Average Molarity Average Deviation Percent Average Deviation (RAD) ( 123
Transcribed Image Text:1: Experiment 9: ACID-BASE TITRATION: STANDARDIZATION What is the frequency of the spectral moves from n=5 to n=2? ΔΕΞ Data and Results Date Name CHEM 131 Sec: Part I: Using KHP for Standardization Show all calculations on back of page and attach additional pages as necessary. #2 #3 #1 0.369 0.313 0.311 Mass of KHP (g) 1.81x 103 / 1.53 x 10³ 1.52 x 10 #Moles of KHP (moles) 1.31 × 10³ | 1.53x10 | 1.52 × 10/³ #Moles of NaOH used each trial 0.01367 0.01170 0.01SS Volume of NaOH solution used each trial (L) 0.132 0.132 0.131 Molarity NaOH in each trial On board 0.132 Average Molarity Deviation from Average Molarity 0 0.001 Average Deviation 0.003 0.25% Percent Average Deviation (RAD) Part II: Concentration of HCI Using Standard NaOH Show all calculations on back of page and attach additional pages as necessary. Molarity of Standard NaOH solution: #1 #2 #3 Volume of NaOH solution in each flask (L) #Moles of NaOH in each flask #Moles of HCl to reach endpoint Volume of HCl solution to reach endpoint (L) Molarity HCl in each trial Average Molarity Deviation from Average Molarity Average Deviation Percent Average Deviation (RAD) ( 123
MOITASIOExperiment 9: ACID-BASE TITRATION: STANDA Part II: Concentration of HCI Using Standard NaOH 1. Under the "Data" section in your lab notebook, create a data table similar to the following: zeigte booga sluzo othe HOM Molarity of NaOH from Part I = Trial # #2 #3 0.05 0.00 Initial buret reading of HCl (mL) Final buret reading of HCl (mL) Volume of HCI used (mL) 106.42 21.82 10.37 0.00 0.00 Initial buret reading of NaOH (mL) Final buret reading of NaOH (mL) Volume of NaOH used (mL) Ratio of Volume HCl/Vol NaOH 13.72 29.00 Figure 9.2 Til Obtain two 50.00-mL burets and set them up on a ring stand fitted with a buret clamp as shown in Figure 9.2. Place gummed labels provided on the buret clamp to label one buret s HCl and one as NaOH. Next, label a 250- L beaker as HCl and a 250-mL beaker as aOH. Both beakers must be clean and dry. nally, label a 400-mL beaker as "Waste." It essential that you keep all your equipment carly marked #1 0.00 12340 0.00 36.35 singos NaOH WW O -Esto HCI
Transcribed Image Text:MOITASIOExperiment 9: ACID-BASE TITRATION: STANDA Part II: Concentration of HCI Using Standard NaOH 1. Under the "Data" section in your lab notebook, create a data table similar to the following: zeigte booga sluzo othe HOM Molarity of NaOH from Part I = Trial # #2 #3 0.05 0.00 Initial buret reading of HCl (mL) Final buret reading of HCl (mL) Volume of HCI used (mL) 106.42 21.82 10.37 0.00 0.00 Initial buret reading of NaOH (mL) Final buret reading of NaOH (mL) Volume of NaOH used (mL) Ratio of Volume HCl/Vol NaOH 13.72 29.00 Figure 9.2 Til Obtain two 50.00-mL burets and set them up on a ring stand fitted with a buret clamp as shown in Figure 9.2. Place gummed labels provided on the buret clamp to label one buret s HCl and one as NaOH. Next, label a 250- L beaker as HCl and a 250-mL beaker as aOH. Both beakers must be clean and dry. nally, label a 400-mL beaker as "Waste." It essential that you keep all your equipment carly marked #1 0.00 12340 0.00 36.35 singos NaOH WW O -Esto HCI
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