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Hydrogen sulfide was a reagent in the qualitative inorganic analysis of metal ions. In these analyses, heavy metal (and nonmetal) ions (e.g., Pb (II), Cu (II), Hg (II), As (III)) are precipitated from solution upon exposure to H2S. The components of the resulting solid are then identified by their reactivity.
The Naval and Marine Corps Reserve Center is located just north of Downtown Los Angeles in Chavez Ravine, next to Dodger Stadium at 1700 Stadium Way. [1] The Naval and Marine Corps Reserve Center was the second Navy Reserve Center built in the United States. During its operation it was the largest Reserve Center, training over 250,000 sailors ...
Ammonium cation is found in a variety of salts such as ammonium carbonate, ammonium chloride, and ammonium nitrate. Most simple ammonium salts are very soluble in water. An exception is ammonium hexachloroplatinate, the formation of which was once used as a test for ammonium. The ammonium salts of nitrate and especially perchlorate are highly ...
Ammonium chloride is an inorganic chemical compound with the chemical formula N H 4 Cl, also written as [NH4]Cl. It is an ammonium salt of hydrogen chloride. It consists of ammonium cations [NH4]+ and chloride anions Cl−. It is a white crystalline salt that is highly soluble in water.
Most ammonium salts are soluble and act as acids in liquid ammonia solutions. The solubility of halide salts increases from fluoride to iodide. A saturated solution of ammonium nitrate (Divers' solution, named after Edward Divers) contains 0.83 mol solute per mole of ammonia and has a vapour pressure of less than 1 bar even at 25 °C (77 °F).
Ammonium sulfite can be prepared by the reaction of ammonia with sulfur dioxide in aqueous solution: 2 NH3 + SO2 + H2O → (NH4)2SO3. Ammonium sulfite is produced in gas scrubbers, now obsolete, consisting of ammonium hydroxide to remove sulfur dioxide from emissions from power plants. The conversion is the basis of the Walther Process.
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Edward R. Roybal Learning Center (formerly known as Belmont Learning Center, Vista Hermosa Learning Center, and Central Los Angeles High School 11), is a secondary school located in the Westlake area of Los Angeles, California. Built to alleviate overcrowding at the nearby Belmont High School, the school's construction was met with controversy ...