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Two polymorphs are known as pentahydrate. The anhydrous salt exists in several polymorphs. [2] In the solid state, the thiosulfate anion is tetrahedral in shape and is notionally derived by replacing one of the oxygen atoms by a sulfur atom in a sulfate anion. The S-S distance indicates a single bond, implying that the terminal sulfur holds a ...
Borax "pentahydrate" has the formula Na 2 B 4 O 7 ·5H 2 O, which is actually a trihydrate Na 2 B 4 O 5 (OH) 4 ·3H 2 O. It is a colorless solid with a density of 1.880 kg/m 3 that crystallizes from water solutions above 60.8 °C in the rhombohedral crystal system .
Copper(II) sulfate is an inorganic compound with the chemical formula Cu SO 4.It forms hydrates CuSO 4 ·nH 2 O, where n can range from 1 to 7. The pentahydrate (n = 5), a bright blue crystal, is the most commonly encountered hydrate of copper(II) sulfate, [10] while its anhydrous form is white. [11]
Bismuth(III) nitrate is a salt composed of bismuth in its cationic +3 oxidation state and nitrate anions. The most common solid form is the pentahydrate. [3] It is used in the synthesis of other bismuth compounds. [4]
Pages in category "Pentahydrate minerals" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes. C. Chalcanthite; D.
A colorful example is cobalt(II) chloride, which turns from blue to red upon hydration, and can therefore be used as a water indicator.. The notation "hydrated compound⋅n H 2 O", where n is the number of water molecules per formula unit of the salt, is commonly used to show that a salt is hydrated.
For example, the commercially available sodium silicate pentahydrate Na 2 SiO 3 ·5H 2 O is formulated as Na 2 SiO 2 (OH) 2 ·4H 2 O, and the nonahydrate Na 2 SiO 3 ·9H 2 O is formulated as Na 2 SiO 2 (OH) 2 ·8H 2 O. [5] The pentahydrate and nonahydrate forms have their own CAS Numbers, 10213-79-3 and 13517-24-3 respectively.
It is usually obtained as the pentahydrate, so the compound that is usually called sodium hypobromite actually has the formula NaBrO·5H 2 O. It is a yellow-orange solid that is soluble in water. It adopts a monoclinic crystal structure with a Br–O bond length of 1.820 Å. [1]