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12. Collect a sample of lake water; a) 100 mL titrate with 0.05N HCl to HCO3 eq.pt. and we need to add 0.5 mL of acid solution. What is the CO32-ALK as M and mg CaCO3/L? b) 100 mL titrate with 0.03N NaOH to CO3 eq.pt. and we need to add 0.6 mL of base solution. What is the OH ALK as M and mg CaCO3/L? c) What is the CT and pH value?

12. Collect a sample of lake water; a) 100 mL titrate with 0.05N HCl to HCO3 eq.pt. and we need to add 0.5 mL of acid solution. What is the CO32-ALK as M and mg CaCO3/L? b) 100 mL titrate with 0.03N NaOH to CO3 eq.pt. and we need to add 0.6 mL of base solution. What is the OH ALK as M and mg CaCO3/L? c) What is the CT and pH value?

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.88QP: A 0.400-g sample of propionic acid was dissolved in water to give 50.0 mL of solution. This solution...
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12. Collect a sample of lake water; a) 100 mL titrate with 0.05N HCl to HCO3 eq.pt. and we need to add 0.5 mL of acid solution. What is the CO32 ALK as M and mg CaCO3/L? b) 100 mL titrate with 0.03N NaOH to CO3 eq.pt. and we need to add 0.6 mL of base solution. What is the OH ALK as M and mg CaCO3/L? c) What is the CT and pH value?
Transcribed Image Text:12. Collect a sample of lake water; a) 100 mL titrate with 0.05N HCl to HCO3 eq.pt. and we need to add 0.5 mL of acid solution. What is the CO32 ALK as M and mg CaCO3/L? b) 100 mL titrate with 0.03N NaOH to CO3 eq.pt. and we need to add 0.6 mL of base solution. What is the OH ALK as M and mg CaCO3/L? c) What is the CT and pH value?
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