the following, hydroxide, carbonate, and bicarbonate alkalinity by the procedures (1) using alkalinity measurements alone and (2) using alkalinity plus pH measurements. The sample size is 100 mL, 0.020 N H₂SO4 is used as the titrant, and the water temperature is 25°C (BG=bromcresol green). Sample ABCD Sample pH 11.9 10.0 11.2 7.0 Total mL titrant to reach end point BG 15.5 38.6 8.4 12.7 Phenol. 10.0 14.4 8.2 0

Chemistry: Principles and Practice
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Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Chapter16: Reactions Between Acids And Bases
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Problem 16.54QE
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18.12 For the following, calculate the hydroxide, carbonate, and bicarbonate alkalinity by
the procedures (1) using alkalinity measurements alone and (2) using alkalinity plus
pH measurements. The sample size is 100 mL, 0.020 N H,SO, is used as the titrant,
and the water temperature is 25°C (BG = bromcresol green).
Total mL titrant to
reach end point
Sample
Sample pH
Phenol.
BG
A
11.9
10.0
11.2
7.0
10.0
14.4
8.2
15.5
38.6
8.4
B
12.7
Transcribed Image Text:18.12 For the following, calculate the hydroxide, carbonate, and bicarbonate alkalinity by the procedures (1) using alkalinity measurements alone and (2) using alkalinity plus pH measurements. The sample size is 100 mL, 0.020 N H,SO, is used as the titrant, and the water temperature is 25°C (BG = bromcresol green). Total mL titrant to reach end point Sample Sample pH Phenol. BG A 11.9 10.0 11.2 7.0 10.0 14.4 8.2 15.5 38.6 8.4 B 12.7
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