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Nitrous acid

LC control 85092096
LC classificationQD181.N1
Topical headingNitrous acid
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See alsoInorganic acids
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Nitrogen compounds
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Found inWikipedia, Jan. 27, 2013 (Nitrous acid (molecular formula HNO₂) is a weak and monobasic acid known only in solution and in the form of nitrite salts. Preferred IUPAC name: Nitrous acid. Systematic name: Hydroxidooxidonitrogen)
Britannic online, Jan. 27, 2013 (nitrous acid, (HNO₂), an unstable, weakly acidic compound that has been prepared only in the form of cold, dilute solutions)
Merriam-Webster online, Jan. 27, 2013 (nitrous acid: an unstable acid HNO₂ known only in solution or in the form of its salts or esters)