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The tetrahydrate, Th(NO 3) 4 •4H 2 O is formed by crystallizing from a stronger nitric acid solution. Concentrations of nitric acid from 4 to 59% result in the tetrahydrate forming. [ 2 ] The thorium atom has 12-coordination, with four bidentate nitrate groups and four water molecules attached to each thorium atom.
A solution of nitric acid, water and alcohol, nital, is used for etching metals to reveal the microstructure. ISO 14104 is one of the standards detailing this well known procedure. [45] Nitric acid is used either in combination with hydrochloric acid or alone to clean glass cover slips and glass slides for high-end microscopy applications. [46]
m(NaCl) = 2 mol/L × 0.1 L × 58 g/mol = 11.6 g. To create the solution, 11.6 g NaCl is placed in a volumetric flask, dissolved in some water, then followed by the addition of more water until the total volume reaches 100 mL. The density of water is approximately 1000 g/L and its molar mass is 18.02 g/mol (or 1/18.02 = 0.055 mol/g). Therefore ...
Nital is a critical plot element in the Japanese manga series Dr. Stone, whose story revolves around the mysterious petrification of all mankind. Made from nitric acid that they produce from Bat Guano found in a cave, they produce nitric acid by using the Ostwald process (using Platinum as a catalyst and urine as an ingredient) and highly distilled alcohol with a ratio of 3:7.
The anion [Ce(NO 3) 6] 2− is generated by dissolving Ce 2 O 3 in hot and concentrated nitric acid (HNO 3). [2] The salt consists of the hexanitratocerate(IV) anion [Ce(NO 3) 6] 2− and a pair of ammonium cations NH + 4. The ammonium ions are not involved in the oxidising reactions of this salt.
For example, sulfuric acid (H 2 SO 4) is a diprotic acid. Since only 0.5 mol of H 2 SO 4 are needed to neutralize 1 mol of OH −, the equivalence factor is: f eq (H 2 SO 4) = 0.5. If the concentration of a sulfuric acid solution is c(H 2 SO 4) = 1 mol/L, then its normality is 2 N. It can also be called a "2 normal" solution.
Hydrated copper nitrate is prepared by treating copper metal or its oxide with nitric acid: [7] Cu + 4 HNO 3 → Cu(NO 3) 2 + 2 H 2 O + 2 NO 2. The same salts can be prepared treating copper metal with an aqueous solution of silver nitrate. That reaction illustrates the ability of copper metal to reduce silver ions.
The principal use is as a dehydrating agent in the preparation of concentrated nitric acid. [2]Its fertilizer grade has 10.5% nitrogen and 9.4% magnesium, so it is listed as 10.5-0-0 + 9.4% Mg.
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