Nitrogen is discharged from wastewater treatment facilities into rivers and streams, usually as NH₃ and NH₄⁺: NH₃(aq)+H₂O(l) → NH₄⁺(aq)+OH⁻(aq) K(b)=1.76X10⁻⁵ One strategy for removing it is to raise the pH and “strip” the NH₃ from solution by bubbling air through the water. (a) AtpH 7.00, what fraction of the total nitrogen in solution is NH3,defined as [NH₃]/([NH₃] [NH₄⁺])? (b) What is the fraction at pH 10.00? (c) Explain the basis of ammonia stripping.
Nitrogen is discharged from wastewater treatment facilities into rivers and streams, usually as NH₃ and NH₄⁺: NH₃(aq)+H₂O(l) → NH₄⁺(aq)+OH⁻(aq) K(b)=1.76X10⁻⁵ One strategy for removing it is to raise the pH and “strip” the NH₃ from solution by bubbling air through the water. (a) AtpH 7.00, what fraction of the total nitrogen in solution is NH3,defined as [NH₃]/([NH₃] [NH₄⁺])? (b) What is the fraction at pH 10.00? (c) Explain the basis of ammonia stripping.
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.66PAE
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Nitrogen is discharged from wastewater treatment facilities into rivers and streams, usually as NH₃ and NH₄⁺: NH₃(aq)+H₂O(l) → NH₄⁺(aq)+OH⁻(aq) K(b)=1.76X10⁻⁵ One strategy for removing it is to raise the pH and “strip” the NH₃ from solution by bubbling air through the water. (a) AtpH 7.00, what fraction of the total nitrogen in solution is NH3,defined as [NH₃]/([NH₃] [NH₄⁺])? (b) What is the fraction at pH 10.00? (c) Explain the basis of ammonia stripping.
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