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Chlorine gas used for disinfection combines with water to form hypochlorous acid (HOCI). The HOCI ionizes to form hypochlorite (OCI-) in a reversible reaction HOCI H*+OC1¯ (k = 2.7 x 10-8 at 20°C), the equilibrium of which is governed by pH. The 80% fraction of HOCI in the free chlorine residual is available at a pH value of

Chlorine gas used for disinfection combines with water to form hypochlorous acid (HOCI). The HOCI ionizes to form hypochlorite (OCI-) in a reversible reaction HOCI H*+OC1¯ (k = 2.7 x 10-8 at 20°C), the equilibrium of which is governed by pH. The 80% fraction of HOCI in the free chlorine residual is available at a pH value of

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section12.2: The Equilibrium Constant
Problem 12.2PSP: When carbon dioxide dissolves in water it reacts to produce carbonic acid, H2CO3(aq), which can...
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Chlorine gas used for disinfection combines with water to form hypochlorous acid (HOCI). The HOCI ionizes to form hypochlorite (OCI-) in a reversible reaction HOC1=H* +OC1 (k = 2.7 x 10-8 at %3D 20°C), the equilibrium of which is governed by pH. The 80% fraction of HOCI in the free chlorine residual is available at a pH value of
Transcribed Image Text:Chlorine gas used for disinfection combines with water to form hypochlorous acid (HOCI). The HOCI ionizes to form hypochlorite (OCI-) in a reversible reaction HOC1=H* +OC1 (k = 2.7 x 10-8 at %3D 20°C), the equilibrium of which is governed by pH. The 80% fraction of HOCI in the free chlorine residual is available at a pH value of
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