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Nickel(II) sulfate, or just nickel sulfate, usually refers to the inorganic compound with the formula NiSO 4 (H 2 O) 6. This highly soluble turquoise coloured salt is a common source of the Ni 2+ ion for electroplating .
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.
NiSO 3 •3N 2 H 4 · H 2 O: nickel(II) sulfite trihydrazine hydrate rose [5] NiSO 3 •2N 2 H 4 · H 2 O: nickel(II) sulfite dihydrazine hydrate blue [5] NiS 2 O 3 •6H 2 O Nickel(II) thiosulfate hexahydrate 463.03 orthorhombic 9.282 14.44 6.803 912.1 4 2.03 green [6] diaqua (4,4´-dimethylbipyridine- N,N´)(methanol) thiosulfato(S) nickel(II ...
As a mineral the ammonium nickel salt, (NH 4) 2 Ni(SO 4) 2 · 6 H 2 O, can be called nickelboussingaultite. [38] With sodium, the double sulfate is nickelblödite Na 2 Ni(SO 4) 2 · 4 H 2 O from the blödite family. Nickel can be substituted by other divalent metals of similar sized to make mixtures that crystallise in the same form. [39]
SMM [39] [g] [an] 33: As: Arsenic: 5.776: 1.8 (4.986 × 10 16 kg) 0.999 – 1.31: 5.77 – 7.58: 2020: SMM [40] [g] [ao] 34: Se: Selenium: 4.809: 0.05 (1.385 × 10 15 kg) 21.4: 103: 2019: Preismonitor [20] [s] [ap] 35: Br: Bromine: 3.122: 2.4 (6.648 × 10 16 kg) 4.39: 13.7: 2019: CEIC Data [18] [k] 36: Kr: Krypton: 0.003733: 1×10 −4 (2.77 × ...
The known salts include (NH 4) 2 Ni 2 (SO 4) 3, K 2 Ni 2 (SO 4) 3 and Rb 2 Ni 2 (SO 4) 3, and those of Tl and Cs are predicted to exist. Some minerals are double salts, for example Nickelzippeite Ni 2 (UO 2 ) 6 (SO 4 ) 3 (OH) 10 · 16H 2 O which is isomorphic to cobaltzippeite , magnesiozippeite and zinczippeite , part of the zippeite group.
A salt with associated water of crystallization is known as a hydrate. ... nickel sulfate hydrates [39] NiSO 4 (H 2 O) 7 ... (H 2 O) 4 (κ′,κ 1-SO 4)] 2: none ...