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Strong acid SoA на weak base W.B. NH3 HCl + NaOH SA W.B. Total Volume of base pH added, mL Strong Weak acid base SA x axis Total Volume of base added, mL WB CHM Y axis pH 0.00 7.9 5.00 0.00 0.5 1.5 5.00 10.00 1.7 0.6 10.00 15.00 0.8 1.9 17.00 15.00 1.0 2.7 16.00 19.00 2.3 1.2 17.00 1.3 20.00 2.5 20.50 18.00 1.5 2.6 21.00 2.8 19.00 1.9 22.00 4.9 20.10 4.7 24.00 8.4 21.00 12.0 color change 26.00 22.00 8.8 12.7 23.00 30.00 13.0 9.1 24.00 35.00 9.3 13.1 25.00 40.00 13.3 9.4 45.00 30.00 13.6 9.5 35.00 13.8 40.00 13.9 45.10 14.0 weak aad W.A. HOAC Total Volume of base added, mL Strong bas SB NaOH CHM pH 0.00 3.47 5.00 4.77 10.00 5.45 15.00 5.92 17.00 6.21 19.00 7.01 -Color change 19.50 7.96 20.00 11.98 20.50 12.38 21.00 12.65 22.00 12.94 26.00 13.33 30.00 13.60 36.00 13.68 40.00 13.70

Strong acid SoA на weak base W.B. NH3 HCl + NaOH SA W.B. Total Volume of base pH added, mL Strong Weak acid base SA x axis Total Volume of base added, mL WB CHM Y axis pH 0.00 7.9 5.00 0.00 0.5 1.5 5.00 10.00 1.7 0.6 10.00 15.00 0.8 1.9 17.00 15.00 1.0 2.7 16.00 19.00 2.3 1.2 17.00 1.3 20.00 2.5 20.50 18.00 1.5 2.6 21.00 2.8 19.00 1.9 22.00 4.9 20.10 4.7 24.00 8.4 21.00 12.0 color change 26.00 22.00 8.8 12.7 23.00 30.00 13.0 9.1 24.00 35.00 9.3 13.1 25.00 40.00 13.3 9.4 45.00 30.00 13.6 9.5 35.00 13.8 40.00 13.9 45.10 14.0 weak aad W.A. HOAC Total Volume of base added, mL Strong bas SB NaOH CHM pH 0.00 3.47 5.00 4.77 10.00 5.45 15.00 5.92 17.00 6.21 19.00 7.01 -Color change 19.50 7.96 20.00 11.98 20.50 12.38 21.00 12.65 22.00 12.94 26.00 13.33 30.00 13.60 36.00 13.68 40.00 13.70

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
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 10RQ: For oxyacids, how does acid strength depend on a. the strength of the bond to the acidic hydrogen...
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For each of the three titrations, determine the expected pH at each of the following 4 points in the titration. Assume that all acids are exactly 0.1 M and that all bases are exactly 0.2 M for purposes of your calculations. Round your final pH values to the nearest 0.1 pH units since that is how we read the experimental values. The 4 points for which the pH values are to be calculated are:

a) after 0 ml of base have been added (initial pH)

b) after 10.0 mL of base have been added (halfway to the equivalence point) after 20.0 mL of base have been added (equivalence point)

c) after 20.0 mL of base have been added (equivalence point)

d)after 25.0 mL of base have been added (5 ml past the equivalence point)

Strong acid SoA на weak base W.B. NH3 HCl + NaOH SA W.B. Total Volume of base pH added, mL Strong Weak acid base SA x axis Total Volume of base added, mL WB CHM Y axis pH 0.00 7.9 5.00 0.00 0.5 1.5 5.00 10.00 1.7 0.6 10.00 15.00 0.8 1.9 17.00 15.00 1.0 2.7 16.00 19.00 2.3 1.2 17.00 1.3 20.00 2.5 20.50 18.00 1.5 2.6 21.00 2.8 19.00 1.9 22.00 4.9 20.10 4.7 24.00 8.4 21.00 12.0 color change 26.00 22.00 8.8 12.7 23.00 30.00 13.0 9.1 24.00 35.00 9.3 13.1 25.00 40.00 13.3 9.4 45.00 30.00 13.6 9.5 35.00 13.8 40.00 13.9 45.10 14.0
Transcribed Image Text:Strong acid SoA на weak base W.B. NH3 HCl + NaOH SA W.B. Total Volume of base pH added, mL Strong Weak acid base SA x axis Total Volume of base added, mL WB CHM Y axis pH 0.00 7.9 5.00 0.00 0.5 1.5 5.00 10.00 1.7 0.6 10.00 15.00 0.8 1.9 17.00 15.00 1.0 2.7 16.00 19.00 2.3 1.2 17.00 1.3 20.00 2.5 20.50 18.00 1.5 2.6 21.00 2.8 19.00 1.9 22.00 4.9 20.10 4.7 24.00 8.4 21.00 12.0 color change 26.00 22.00 8.8 12.7 23.00 30.00 13.0 9.1 24.00 35.00 9.3 13.1 25.00 40.00 13.3 9.4 45.00 30.00 13.6 9.5 35.00 13.8 40.00 13.9 45.10 14.0
weak aad W.A. HOAC Total Volume of base added, mL Strong bas SB NaOH CHM pH 0.00 3.47 5.00 4.77 10.00 5.45 15.00 5.92 17.00 6.21 19.00 7.01 -Color change 19.50 7.96 20.00 11.98 20.50 12.38 21.00 12.65 22.00 12.94 26.00 13.33 30.00 13.60 36.00 13.68 40.00 13.70
Transcribed Image Text:weak aad W.A. HOAC Total Volume of base added, mL Strong bas SB NaOH CHM pH 0.00 3.47 5.00 4.77 10.00 5.45 15.00 5.92 17.00 6.21 19.00 7.01 -Color change 19.50 7.96 20.00 11.98 20.50 12.38 21.00 12.65 22.00 12.94 26.00 13.33 30.00 13.60 36.00 13.68 40.00 13.70
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