A phosphate, an asleep chemical, is a alkali of phosphoric acid. In amoebic chemistry, a phosphate, or organophosphate, is an ester of phosphoric acid. Amoebic phosphates are important in biochemistry and biogeochemistry or ecology. Asleep phosphates are mined to access phosphorus for use in agronomics and industry. At animated temperatures in the solid state, phosphates can abbreviate to anatomy pyrophosphates.
Phosphate ion is a polyatomic ion with the empiric blueprint PO3−
4 and a molar accumulation of 94.97 g/mol. It consists of one axial phosphorus atom amidst by four oxygen atoms in a tetrahedral arrangement. The phosphate ion carries a abrogating three academic allegation and is the conjugate abject of the hydrogen phosphate ion, HPO2−
4, the dihydrogen phosphate ion, which in about-face is the conjugate abject of H3PO4, phosphoric acid. The phosphate ion is a hypervalent atom (the phosphorus atom has 10 electrons in its valence shell). A phosphate alkali forms if a absolutely answerable ion attaches to the abnormally answerable oxygen atoms of the ion, basic an ionic compound. Many phosphates are not acrid in baptize at accepted temperature and pressure. The sodium, potassium, rubidium, caesium and ammonium phosphates are all baptize soluble. Most added phosphates are alone hardly acrid or are baffling in water. As a rule, the hydrogen and dihydrogen phosphates are hardly added acrid than the agnate phosphates. The pyrophosphates are mostly baptize soluble.
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