A student obtains the following data from the Determining the pKa of an Acid-Base Indicator experiment. Using this data, calculate the pKa of the indicator in the fourth solution. Solution Abs. pH 3.4 + HCI 0.054 pH 4.6 + NaOH 0.564 Sample # 1 2 3 4 5 actual pH 3.34 3.73 3.96 4.22 4.50 Abs. 0.135 0.214 0.295 0.382 0.460

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Chapter1: Chemical Foundations
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A student obtains the following data from the Determining the pKa of an Acid-Base
Indicator experiment. Using this data, calculate the pKa of the indicator in the fourth
solution.
Solution
Abs.
pH 3.4 + HCI
0.054
pH 4.6 + NaOH 0.564
Sample #
1
2
345
actual pH
3.34
3.73
3.96
4.22
4.50
Abs.
0.135
0.214
0.295
0.382
0.460
Transcribed Image Text:A student obtains the following data from the Determining the pKa of an Acid-Base Indicator experiment. Using this data, calculate the pKa of the indicator in the fourth solution. Solution Abs. pH 3.4 + HCI 0.054 pH 4.6 + NaOH 0.564 Sample # 1 2 345 actual pH 3.34 3.73 3.96 4.22 4.50 Abs. 0.135 0.214 0.295 0.382 0.460
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