For the following, calculate the hydroxide (OH"), carbonate (CO,²) and bicarbonate (HCO3) alkalinity by the procedures (1) using alkalinity measurements alone and (2) using alkalinity plus pH measurements. The sample size is 100 mL, and 0.02 N H2SO4 solution is used as the titrant.

World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter16: Acids And Bases
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For the following, calculate the hydroxide (OH), carbonate (CO,²) and bicarbonate
(HCO;) alkalinity by the procedures (1) using alkalinity measurements alone and (2)
using alkalinity plus pH measurements. The sample size is 100 mL, and 0.02 N H2SO4
solution is used as the titrant.
Total mL titrant to reach end point
Sample
pH
Phenolphthalein
Methyl Orange
A
11.9
10.0
15.5
B
10.0
14.4
38.6
11.2
8.2
8.4
D
7.0
12.7
Transcribed Image Text:For the following, calculate the hydroxide (OH), carbonate (CO,²) and bicarbonate (HCO;) alkalinity by the procedures (1) using alkalinity measurements alone and (2) using alkalinity plus pH measurements. The sample size is 100 mL, and 0.02 N H2SO4 solution is used as the titrant. Total mL titrant to reach end point Sample pH Phenolphthalein Methyl Orange A 11.9 10.0 15.5 B 10.0 14.4 38.6 11.2 8.2 8.4 D 7.0 12.7
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