SebopehoSaense ea

Asiti hydrochloric

Haedrojene chloride khase e ka 1.3 linako tse boima ho feta moea. Ha a na 'mala, empa le suffocating e bohale' me monko o bath. Ka mocheso oa ho tloswa 84C, chloride hydrogen khase fetisa ho sechaba mokelikeli, 'me solidifies ka ho tloswa 112C. Haedrojene chloride e qhalwa ho ya ka metsi a. litha e le nngwe le nngwe ya H2O ka monya ho fihlela ho 500 di ml khase. The tharollo e bitsoa acid e lona hydrochloric kapa acid e hydrochloric. Khobokellane acid e hydrochloric ka le ditempe tsa 20c, tšoauoa ka ho palo e kahodimodimo khoneha boima karoloana ya ntho tsa motheo ho ba 38%. The tharollo - ke matla monobasic acid e (moeeng "smokes", 'me ho fumaneha mongobo ha eaba ba etsa le moholi acid), e boetse e na le mabitso a mang: hydrochloric, le ka Seukraine nomenclature - acid e chloride. Tsela eo lik'hemik'hale li ka emetsweng foromo ena: HCl. Molare boima ke 36,5 g, / mole. Segokanyipalo sa acid e hydrochloric khobokellane ho 20 ° C lekana le 1,19 g, / cm³. Ena ke ntho e kotsi, tse tsamaisanang le sehlopha sa bobeli a le kotsing.

Ka "omileng" chloride foromo hydrogen sitoa ho kopana le tšepe le mafolofolo, empa ho ba teng ha mongobo ba itšoara joang tsoela pele haholo ka matla. acid e ena le matla hydrochloric o khona ho itšoara ka lirafshoa tsohle tse ka ho le letsehali ea hydrogen ka letoto la lihlooho tse motlakase ya. Ho phaella moo, leka ho le motheo le amphoteric oxides, makalana le letsoai le:

  • Fe + 2HCl → FeCl2 + H2 ↑;
  • 2HCl + CuO → CuCl2 + H2O;
  • 3HCl + Fe (OH) 3 → FeCl3 + 3H2O;
  • 2HCl + Na2CO3 → 2NaCl + H2O + CO2 ↑;
  • HCl + AgNO3 → AgCl ↓ + HNO3.

Ho phaella ho thepa kakaretso bath bakeng sa e mong le e ba acid e sa le matla, acid e hydrochloric e fokotsa thepa foromo khobokellane a leka ho le mefuta e fapaneng ya oxidizing mahlahana, ho lokolloa mahala chloride. Letsoai ea acid e leng chloride pitso. Hoo e ka bang kaofela ha bona ke hang-hang qhibilihang ka har'a ka metsi le ka ho feletseng dissociate ka ions. Ka mokhoa o lekanyelitsoeng qhibilihang ka har'a tsona ke tsena: Pele chloride PbCl2, silevera chloride AgCl, mercurous chloride Hg2Cl2 (calomel) le cuprous chloride CuCl. Haedrojene chloride ke khona ho kena ka phaella moo ba itšoara joang ka hydrocarbons unsaturated le habeli kapa hararo tlamo e, moo ho ditlelorine metsoako manyolo thehoa.

Ka maemo a laboratori ea chloride hydrogen e fumana ha a pepesa ho omella sodium chloride le sulfuric acid e conc. Itšoara joang tlas'a maemo a fapaneng ka etsahala ya ho theha letsoai sodium (kapa acid e mahareng):

  • H2SO4 + NaCl → NaHSO4 + HCl
  • H2SO4 + 2NaCl → Na2SO4 + 2HCl.

Ba itšoara joang pele tsoela ka ka mocheso tlaase, ea bobeli e - ka thempereichara e phahameng. Ka lebaka leo, ka chloride laboratori ea hydrogen molemo fumana mokhoa pele, e leng seo ka tjhelete e ya acid e sulfuric buelloa ho nka tekanyo ea fumana NaHSO4 acid e letsoai. Ka mor'a moo, ke dissolving chloride hydrogen ka metsi a fumana acid e hydrochloric. Indastering, e fumanoa ka tukang ka moea oa hydrogen kapa chloride amang sodium chloride omileng (feela bakeng sa ea bobeli itsoara joang ka abel) ya sulfuric acid e conc. Hape chloride hydrogen e fumanweng ka byproduct ka chlorination tsa metsoako phelelang manyolo. Ho indasteri, chloride hydrogen fumanoa ka e 'ngoe ea mekhoa e ka holimo e ile qhalwa ho ya ka litora khethehileng oo mokelikeli ka e fetisoa ho tloha ho holimo ho ea tlaase,' me khase e fuoa ho tloha ka tlase ho ya hodimo, i.e. ka molao-motheo o countercurrent.

asiti Hydrochloric e tsamaisoa ka ditanka khethehileng gummed kapa ditshelo tse, hammoho le ka libotlolo moqomo 50 litha e le nngwe polasetiki kapa khalase le etsang dilitara bokgoni 20. Ha itsoara joang ka ea acid e ka tšepe ho na le ke kotsi ya ho phatloha hydrogen-moea metsoako. Ka lebaka leo, e lokela ho ka ho feletseng felisoa ka lebaka la ho buisana le ho thehoa hydrogen itsoara joang ka moea, empa hape (ka tsela coatings anticorrosive) acid e kopana le tšepe. Pele outputting didiriswa tse le lipeipi, moo e ne e bolokoa kapa isoa, bakeng sa ho lokisa, ho ke ke ho hlokahala hore ho tsamaisa naetrojene purge le ho hlokomela boemo ba mohato le khase.

Haedrojene chloride e ho pharaletseng sebelisoa ka tlhahiso ea indasteri le ka laboratoring. E sebediswa bakeng sa mananose tšepe ba lokisetsa ho ea letsoai le ka reagent ka lithuto tsa tshekatsheko. asiti Hydrochloric e hlahisoang ke sa botekgeniki GOST 857-95 (ea mongolo e tsoanang ho ea machaba tekanyetso ISO 905-78), reagent - latela GOST 3118-77. Mahloriso tsa sehlahisoa botekgeniki itšetlehile ka boleng le tse fapa-fapaneng 'me ka' na ba 31,5%, 33% kapa 35%, 'me sehlahisoa ponahalo ea e yellowish ka lebaka la diteng tsa tšepe se hloeke tsa chlorine le lintho tse ling tsa lik'hemik'hale. acid e arabelang tlameha ho colorless le sebeletsang pepeneneng mokelikeli le karoloana boima ba ho tloha 35 ho 38%.

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