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[H+] in concentrated buffer Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines [H+] in diluted buffer Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines Average [H+] in buffer, which is equal to the average Ka for ammonium

[H+] in concentrated buffer Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines [H+] in diluted buffer Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines Average [H+] in buffer, which is equal to the average Ka for ammonium

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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Table 1 - Indicator Colors when Measuring 0.1 M Acetic Acid (CH3CO2H) Part A - indicators Indicator methyl violet thymol blue brilliant red methyl orange bromaccesal green bromothymol blue Solution sample sodium carbonate sodium hydrogen sulfate Table 2 - pH Meter Measurement of Various 0.1 M Solutions Part B - pH meters acetic acid sodium acetate zinc sulfate pH of concentrated buffer pH of diluted buffer pH of buffer + HCL pH of buffer + NaOH Color Royal dark purple Sunshine orange Super dark purple Cotton candy pink pH of pure water Lemon yellow Amber yellow pH of water + HCI pH of water + NaOH pH 11.95 1.00 Table 3 - pH Meter Measurement Values of Ammonia/Ammonium Buffer Part C - Buffers 2.65 7.10 5.11 9.60 9.36 Table 4 - pH Meter Measurement Value of Non-Buffered Solutions Part D - Comparison to water 9.32 9.45 10.02 5.42 6.29 Page 1 of 8 Page 2 of 8
Transcribed Image Text:Table 1 - Indicator Colors when Measuring 0.1 M Acetic Acid (CH3CO2H) Part A - indicators Indicator methyl violet thymol blue brilliant red methyl orange bromaccesal green bromothymol blue Solution sample sodium carbonate sodium hydrogen sulfate Table 2 - pH Meter Measurement of Various 0.1 M Solutions Part B - pH meters acetic acid sodium acetate zinc sulfate pH of concentrated buffer pH of diluted buffer pH of buffer + HCL pH of buffer + NaOH Color Royal dark purple Sunshine orange Super dark purple Cotton candy pink pH of pure water Lemon yellow Amber yellow pH of water + HCI pH of water + NaOH pH 11.95 1.00 Table 3 - pH Meter Measurement Values of Ammonia/Ammonium Buffer Part C - Buffers 2.65 7.10 5.11 9.60 9.36 Table 4 - pH Meter Measurement Value of Non-Buffered Solutions Part D - Comparison to water 9.32 9.45 10.02 5.42 6.29 Page 1 of 8 Page 2 of 8
4) Calculate the [H+] from both the concentrated buffer and diluted buffer in Part C. In this case, these concentrations are the Ka of the ammonium. Report the average Ka for ammonium. For these calculations, you will be required to show detailed work steps using Equation Editor or similar. Use Equation editor here to show all your work! You can copy and paste these when you need more lines [H+] in concentrated buffer Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines [H+] in diluted buffer Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines Average [H+] in buffer, which is equal to the average Ka for ammonium Put your answer here! Page 5 of 8
Transcribed Image Text:4) Calculate the [H+] from both the concentrated buffer and diluted buffer in Part C. In this case, these concentrations are the Ka of the ammonium. Report the average Ka for ammonium. For these calculations, you will be required to show detailed work steps using Equation Editor or similar. Use Equation editor here to show all your work! You can copy and paste these when you need more lines [H+] in concentrated buffer Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines [H+] in diluted buffer Put your answer here with units! Use Equation editor here to show all your work! You can copy and paste these when you need more lines Average [H+] in buffer, which is equal to the average Ka for ammonium Put your answer here! Page 5 of 8
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