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Does sodium hypochlorite make hypochlorous acid?

Yes, sodium hypochlorite can make hypochlorous acid. When sodium hypochlorite is dissolved in water, it forms a solution that contains both hypochlorous acid (HOCl) and hypochlorite ions (OCl-). The balance between the two species depends on the pH of the solution. At a low pH, the solution contains more HOCl, while at a high pH, the of OCl- increases.

Hypochlorous acid is a more effective disinfectant than hypochlorite ions, so solutions with a higher concentration of HOCl are generally more effective at killing microorganisms. However, hypochlorite ions are more stable than HOCl, so solutions with a higher concentration of OCl- have a longer shelf life.

Sodium hypochlorite is commonly used as a disinfectant in many industries, including healthcare, food processing, and water treatment. It is also used as a household bleach. The effectiveness of sodium hypochlorite as a disinfectant on its concentration, contact time, and the of microorganisms present.



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