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  2. Hydrochloric acid (data page) - Wikipedia

    en.wikipedia.org/wiki/Hydrochloric_acid_(data_page)

    1 Material Safety Data Sheet. 2 Structure and properties. 3 References. ... Hydrochloric acid . This page provides supplementary chemical data on Hydrochloric acid.

  3. Hydrochloric acid - Wikipedia

    en.wikipedia.org/wiki/Hydrochloric_acid

    They range from those of water at very low concentrations approaching 0% HCl to values for fuming hydrochloric acid at over 40% HCl. [ 31 ] [ 32 ] [ 33 ] Hydrochloric acid as the binary (two-component) mixture of HCl and H 2 O has a constant-boiling azeotrope at 20.2% HCl and 108.6 °C (381.8 K; 227.5 °F).

  4. Molar concentration - Wikipedia

    en.wikipedia.org/wiki/Molar_concentration

    In the International System of Units (SI), the coherent unit for molar concentration is mol/m 3. However, most chemical literature traditionally uses mol/dm 3, which is the same as mol/L. This traditional unit is often called a molar and denoted by the letter M, for example: 1 mol/m 3 = 10 −3 mol/dm 3 = 10 −3 mol/L = 10 −3 M = 1 mM = 1 ...

  5. Aqua regia - Wikipedia

    en.wikipedia.org/wiki/Aqua_regia

    Aqua regia (/ ˈ r eɪ ɡ i ə, ˈ r iː dʒ i ə /; from Latin, "regal water" or "royal water") is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. [ b ] Aqua regia is a fuming liquid.

  6. Copper(I) chloride - Wikipedia

    en.wikipedia.org/wiki/Copper(I)_chloride

    For example H 3 O + CuCl 2 − forms in concentrated hydrochloric acid. [15] Chloride is displaced by CN − and S 2 O 3 2−. [12] Solutions of CuCl in HCl absorb carbon monoxide to form colourless complexes such as the chloride-bridged dimer [CuCl(CO)] 2. The same hydrochloric acid solutions also react with acetylene gas to form [CuCl(C 2 H 2)].

  7. Conductivity (electrolytic) - Wikipedia

    en.wikipedia.org/wiki/Conductivity_(electrolytic)

    Typically, the conversion is done assuming that the solid is sodium chloride; 1 μS/cm is then equivalent to about 0.64 mg of NaCl per kg of water. Molar conductivity has the SI unit S⋅m 2 ⋅mol −1. Older publications use the unit Ω −1 ⋅cm 2 ⋅mol −1.

  8. Azeotrope - Wikipedia

    en.wikipedia.org/wiki/Azeotrope

    An example of a negative azeotrope is hydrochloric acid at a concentration of 20.2% and 79.8% water (by mass). Hydrogen chloride boils at −85 °C and water at 100 °C, but the azeotrope boils at 110 °C, which is higher than either of its constituents. The maximum boiling point of any hydrochloric acid solution is 110 °C. Other examples:

  9. Ammonia solution - Wikipedia

    en.wikipedia.org/wiki/Ammonia_solution

    At 15.6 °C (60.1 °F), the density of a saturated solution is 0.88 g/ml; it contains 35.6% ammonia by mass, 308 grams of ammonia per litre of solution, and has a molarity of approximately 18 mol/L. At higher temperatures, the molarity of the saturated solution decreases and the density increases. [8]