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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]
Magnesium hydroxide is an inorganic compound with the chemical formula Mg(OH) 2. It occurs in nature as the mineral brucite. It is a white solid with low solubility in water (K sp = 5.61 × 10 −12). [5] Magnesium hydroxide is a common component of antacids, such as milk of magnesia.
Magnesium compounds are compounds formed by the element magnesium (Mg). These compounds are important to industry and biology, including magnesium carbonate, magnesium chloride, magnesium citrate, magnesium hydroxide (milk of magnesia), magnesium oxide, magnesium sulfate, and magnesium sulfate heptahydrate (Epsom salts).
[100] [101] For example, MgCl 2 is named magnesium chloride, and Na 2 SO 4 is named sodium sulfate (SO 2− 4, sulfate, is an example of a polyatomic ion). To obtain the empirical formula from these names, the stoichiometry can be deduced from the charges on the ions, and the requirement of overall charge neutrality. [102]
Magnesium chloride – MgCl 2; Magnesium cyanamide – MgCN 2; Magnesium fluoride – MgF 2; Magnesium fluorophosphate – MgPO 3 F; Magnesium gluconate – Mg(HOCH 2 (CHOH) 4 CO 2) 2; Magnesium hydride – MgH 2; Dimagnesium phosphate – MgHPO 4; Magnesium hydroxide – Mg(OH) 2; Magnesium hypochlorite – Mg(OCl) 2; Magnesium iodide – MgI ...
The simple chemical formula that is often used is Mg(OH)Cl, which appears in high school subject, for example.Other names for this class are magnesium chloride hydroxide, [2] magnesium oxychloride, and basic magnesium chloride. [3] Some of these compounds are major components of Sorel cement.
Chemical symbols are the abbreviations used in chemistry, mainly for chemical elements; but also for functional groups, chemical compounds, and other entities. Element symbols for chemical elements, also known as atomic symbols , normally consist of one or two letters from the Latin alphabet and are written with the first letter capitalised.
To extract the magnesium, calcium hydroxide is added to the seawater to precipitate magnesium hydroxide. [36] MgCl 2 + Ca(OH) 2 → Mg(OH) 2 + CaCl 2. Magnesium hydroxide is poorly soluble in water and can be collected by filtration. It reacts with hydrochloric acid to magnesium chloride. [37] Mg(OH) 2 + 2 HCl → MgCl 2 + 2 H 2 O