Noun

Singular hypochlorous acid

Plural uncountable

hypochlorous acid (uncountable)

  1. (chemistry) a weak, unstable acid, HOCl, known only in solution; it is made by the action of chlorine on water and, along with its salts, the hypochlorites, is used as a household bleach

From Wiktionary under the GNU Free Documentation License.
Sat Jul 17 14:23:34 2010

Hypochlorous acid is a weak acid with the chemical formula HClO. In the swimming pool industry, hypochlorous acid is referred to as HOCl. It forms when chlorine dissolves in water. It cannot be isolated in pure form due to rapid equilibration with its precursor (see below). HClO is used as a bleach, an oxidizer, a deodorant, and a disinfectant.

Formation

Addition of chlorine to water gives both hydrochloric acid (HCl) and hypochlorous acid:

Cl2 + H2O HClO + HCl

When acids are added to aqueous salts of hypochlorous acid (such as sodium hypochlorite in commercial bleach solution) this reaction is driven to the left, and chlorine gas is evolved. Thus, the formation of stable hypochlorite bleaches is facilitated by dissolving chlorine gas into basic water solutions, such as sodium hydroxide.

From Wikipedia under the GNU Free Documentation License
Tue Jul 27 11:09:39 2010

What are the dangers of hypochlorous acid in the body?
Q. What conditions can it cause? Apparently it's a product of myeloperoxidase...
Asked by Abyss Child X - Mon Feb 22 13:47:12 2010 - - 1 Answers - 0 Comments

A. wow dont pick a BA til I have had more time to look all this up..I will find what you are looking for *EDIT* Hey this is basically chlorine bleach like you buy for laundry. This is the easiest information I found about the dangers to the body The predominant targets of the acid are the epithelia of the ocular conjunctivae and upper respiratory mucus membranes. Acids formed by the chlorine gas reaction with the conjunctival mucous membranes are buffered, in part, by the tear film and the proteins present in tears. Acid burns to the periphery of the cornea and conjunctiva often heal uneventfully, while burns to the center of the cornea may lead to corneal ulcer formation and subsequent scarring.
Answered by FallenAngel Hearts her Vassal - Mon Feb 22 20:03:32 2010

Acetone CH3COCH3 is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte; and ammonium chloride?
Q. NH4Cl is a strong electrolyte. (a.) what are the solute particles present in aqueous solutions of each compound? (B.) if 0.1 mol of each compound is dissolved in each solution, which one contains 0.2 mol of solute particles, which contains 0.1 mol of solute particles, and which contains somewhere between 0.1 and 0.2 mol of solute particles.
Asked by Carlye M - Wed Aug 27 22:58:01 2008 - - 1 Answers - 0 Comments

A. Acetone --> acetone HClO -->HClO + H+ + ClO- NH4Cl- ---> NH4+ + Cl- b) Acetone is 0.1 mol solute particles HClO has somewhere between 0.1 mol and 0.2 mol solute particles NH4Cl has 0.2 mol solute particles
Answered by Mr Hex Vision - Wed Aug 27 23:36:19 2008

Ka for hypochlorous acid, HClO, is 3.0x10-8.?
Q. Ka for hypochlorous acid, HClO, is 3.0x10-8. a. Calculate the pH after addition of 15.0 ml of 0.100 M NaOH to 40.0 ml of 0.100 M HClO. b. Identify the pH at half equivalent point.
Asked by question - Tue Dec 12 13:16:47 2006 - - 1 Answers - 0 Comments

A. HClO + NaOH --> NaClO + H2O Moles NaOH added: 0.1 moles in 1000mL, ? in 15mL --> 0.1 * 15/1000 = 0.0015 mol Therefore mol of ClO- produced = 0.0015 mol in (15 + 40) = 55mL ? in 1000mL --> 0.0015*1000/55 = 0.0273M Moles of HClO initially: 0.1 moles in 1000mL, ? in 40mL --> 0.1 * 40/1000 = 0.004 mol 0.0015 mol NaOH react with 0.0015 mol HClO So mol HClO left = 0.004 - 0.0015 = 0.0025 in 55 mL ? in 1000mL --> 0.0025*1000/55 = 0.0455M pKa = -log Ka = 7.52 So, using the Henderson Hasselbach equation pH = pKa + log ([ClO-]/[HClO]) = 7.52 + log (0.0273/0.0455) = 7.3 b. At the equivalence point, all the HClO has been converted to ClO-, and since the 2 solutions are equimolar, it will take 40mL of NaOH to achieve this. You… [cont.]
Answered by claudeaf - Tue Dec 12 13:34:32 2006

From Yahoo Answer Search: "hypochlorous acid"
Fri Jul 30 16:32:14 2010

Solution to pool cleaning is salt-based chlorine generators - Tulsa World
tulsaworld.com
Solution to pool cleaning is salt-based chlorine generators - Tulsa World
Tue, 22 Jun 2010 07:30:57 GMT+00:00
Tulsa World As the water passed through the filter, the salt in the water is electrolyzed into hypochlorous acid . Hypochlorous acid is the same chemical produced when ...
Breakthrough 'green' sterilising solution strong enough to kill MRSA - Greenwise Business
greenwisebusiness.co.uk
Breakthrough 'green' sterilising solution strong enough to kill MRSA - Greenwise Business
Fri, 18 Jun 2010 17:47:16 GMT+00:00
Greenwise Business The solution mirrors the human chemotaxis process and produces the same active biocidal hypochlorous acid (HOCI), making it powerful enough to combat germs, ...

From Google News Search: "hypochlorous acid"
Tue Jul 27 11:09:41 2010

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why GAC is used GAC filters also function as depth filters because the carbon comes in granules Although the granules are relatively large however a prefilter is still recommended Unlike most filter media GAC is not inert The carbon can be oxidized Strong oxidants like hypochlorous acid are completely removed by activated carbon Therefor you cannot disinfect a

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