A bottled carbonated mineral water (i.e. closed system) has a pH of 4.9 and an alkalinity of 4×10-³ Considering the species H₂O, H*, OH, H₂CO³, HCO³ and CO² and the reactions: H₂O = OH + H* Kw = 10-14 H₂CO3 = HCO3 + H* K₁ = 10-6.35 HCO3 = CO3+H* K₂ = 10-10.33 Calculate the total C₁ = [H₂CO3 ]+[HCO3]+[CO3²] (Hint: you can use a Tableau). Verify any assumptions that you may have made. Now the bottle is opened to the atmosphere and CO₂ is allowed to degas to reach a new equilibrium at pH = 8.1 (Hint: consider what is the dominant carbonate specie and conservative entitie/s that de not change). a. b. C. Calculate how much CO₂ is degassed (or total carbon lost).
A bottled carbonated mineral water (i.e. closed system) has a pH of 4.9 and an alkalinity of 4×10-³ Considering the species H₂O, H*, OH, H₂CO³, HCO³ and CO² and the reactions: H₂O = OH + H* Kw = 10-14 H₂CO3 = HCO3 + H* K₁ = 10-6.35 HCO3 = CO3+H* K₂ = 10-10.33 Calculate the total C₁ = [H₂CO3 ]+[HCO3]+[CO3²] (Hint: you can use a Tableau). Verify any assumptions that you may have made. Now the bottle is opened to the atmosphere and CO₂ is allowed to degas to reach a new equilibrium at pH = 8.1 (Hint: consider what is the dominant carbonate specie and conservative entitie/s that de not change). a. b. C. Calculate how much CO₂ is degassed (or total carbon lost).
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter13: Acids And Bases
Section: Chapter Questions
Problem 3RQ
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