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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

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
Chemistry
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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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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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
Expert Solution
Step 1

Given data
Volume of sample, V =100 ml
Normality of titrant acid H₂SO4, N=0.020
Consider the given table.

    Total ml titrant to reach end point  
Sample  Sample pH Phenol BG
A 11.9 10.0 15.5
B 10.0 14.4 38.6
C 11.2 8.2 8.4
D 7.0 0 12.7

 

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