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Barium metaphosphate is an inorganic substance with the molecular formula Ba(PO 3) 2. It is a colourless solid that is insoluble in water, though is soluble in acidic solutions through "slow dissolution". [3] X-ray crystallography shows that this material is composed of Ba 2+ cations attached to a polyphosphate ((PO 3 −) n) anion. [4]
Hypophosphorous acid was first prepared in 1816 by the French chemist Pierre Louis Dulong (1785–1838). [4]The acid is prepared industrially via a two step process: Firstly, elemental white phosphorus reacts with alkali and alkaline earth hydroxides to give an aqueous solution of hypophosphites:
The reaction is performed in solution and the barium acetate crystalizes out at temperatures above 41 °C. Between 25 and 40 °C, the monohydrate version crystalizes. Alternatively, barium sulfide can be used: [2] BaS + 2 CH 3 COOH → (CH 3 COO) 2 Ba + H 2 S. Again, the solvent is evaporated off and the barium acetate crystallized.
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and chemical formulas.The reactant entities are given on the left-hand side and the product entities are on the right-hand side with a plus sign between the entities in both the reactants and the products, and an arrow that points towards the products to show the direction of the reaction. [1]
Thus, it forms barium sulfate and barium phosphate with sulfuric and phosphoric acids, respectively. Reaction with hydrogen sulfide produces barium sulfide . Precipitation of many insoluble, or less soluble barium salts, may result from double replacement reaction when a barium hydroxide aqueous solution is mixed with many solutions of other ...
Drink Alcohol Mindfully. The holidays aren’t just about eating — there’s often a lot of drinking going on as well. Resolve to drink alcohol mindfully, too.
Barbier reaction with samarium(II) iodide. The Barbier reaction is an organometallic reaction between an alkyl halide (chloride, bromide, iodide), a carbonyl group and a metal. The reaction can be performed using magnesium, aluminium, zinc, indium, tin, samarium, barium or their salts. The reaction product is a primary, secondary or tertiary ...