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Substance Formula 0 °C 10 °C 20 °C 30 °C 40 °C 50 °C 60 °C 70 °C 80 °C 90 °C 100 °C Barium acetate: Ba(C 2 H 3 O 2) 2: 58.8: 62: 72: 75: 78.5: 77: 75
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.
This kind of reaction is also observed with solutions of chrome alum and other water-soluble chromium(III) salts. A tetrahedral coordination of chromium(III) has been reported for the Cr-centered Keggin anion [α-CrW 12 O 40] 5–. [11] Chromium(III) hydroxide (Cr(OH) 3) is amphoteric, dissolving in acidic solutions to form [Cr(H 2 O) 6] 3 ...
Gel-like chromium(III) phosphate is prepared through the reduction of ammonium dichromate, (NH 4) 2 Cr 2 O 7, using ethanol, CH 3 COOH, and nitric acid, HNO 3.This process is done in the presence of ammonium dihydrogen phosphate and urea at an elevated temperature where tetradecyltrimethylammonium bromide (TTBr) is used as structure directing agent.
Chrome alum or Chromium(III) potassium sulfate is the potassium double sulfate of chromium. Its chemical formula is KCr(SO 4 ) 2 and it is commonly found in its dodecahydrate form as KCr(SO 4 ) 2 ·12(H 2 O).
Analogous to the behavior of related chromium(III) halides, the tribromide dissolves in water to give CrBr 3 (H 2 O) 3 only upon the addition of catalytic amounts of a reducing agent, which generates CrBr 2. [1] The reducing agent generates chromous bromide on the surface of the solid, which dissolves and re-oxidizes to Cr(III). [citation needed]
The California Food Safety Act—which has been referred to as a “Skittles ban”—forbids the sale of four food additives, including brominated vegetable oil, potassium bromate, propylparaben ...
chromium(III) iodide: 13569–75–0 CrI 4: chromium(IV) iodide: 23518–77–6 CrN: chromium(III) nitride: 12053–27–9 Cr(NO 3) 3: chromium(III) nitrate: 13548–38–4 CrO 2: chromium(IV) oxide: 12018–01–8 CrO 3: chromium(VI) oxide: 1333–82–0 CrPO 4: chromium(III) phosphate: 7789–04–0 CrSe: chromium(II) selenide: 12053–13–3 ...