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Potassium chloride (KCl, or potassium salt) is a metal halide salt composed of potassium and chlorine. It is odorless and has a white or colorless vitreous crystal appearance. The solid dissolves readily in water, and its solutions have a salt-like taste. Potassium chloride can be obtained from ancient dried lake deposits. [7]
Potassium calcium chloride – KCaCl 3; Potassium chlorate – KClO 3; Potassium chloride – KCl; Potassium chlorite – KClO 2; Potassium chromate – K 2 CrO 4; Potassium cyanide – KCN; Potassium dichromate – K 2 Cr 2 O 7; Potassium dithionite – K 2 S 2 O 4; Potassium ferrate – K 2 FeO 4; Potassium ferrioxalate – K 3 [Fe(C 2 O 4) 3 ...
potassium persulfate: 7727–21–1 K 2 Se: potassium selenide: 1312–74–9 K 2 SiF 6: potassium hexafluorosilicate: 16871–90–2 K 2 SiO 4: potassium silicate: 10006–28–7 K 2 Te: potassium telluride: 12142–40–4 K 2 TeO 3: potassium tellurite: 15571–91–2 K 2 TiF 6: potassium hexafluorotitanate: 16919–27–0 K 2 ZrF 6 ...
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 five chloride anions are each coordinated to two potassium cations as well as four water molecules. [8] This means that each chloride anion receives 1/6 of a +1 charge from each of the two potassium ions. The chloride also obtains 1/6 of a +1 charge from each the four water molecules.
For both males and females under 9 years of age, the AIs for potassium are: 400 mg of potassium for 0 to 6-month-old infants, 860 mg of potassium for 7 to 12-month-old infants, 2,000 mg of potassium for 1 to 3-year-old children, and 2,300 mg of potassium for 4 to 8-year-old children.
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.
Chloride is also needed for the production of hydrochloric acid in the stomach. [18] The concentration of chloride in the blood is called serum chloride, and this concentration is regulated by the kidneys. A chloride ion is a structural component of some proteins; for example, it is present in the amylase enzyme.