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orthophosphoric-acid

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orthophosphoric-acid

orthophosphoric-acid Sentence Examples

  • Metaphosphoric acid, HP0 3, is a monobasic acid which may be regarded as derived from orthophosphoric acid by the abstraction of one molecule of water, thus H 3 PO 4 - H 2 O = HP0 3; its constitution is therefore (HO)P0 2.

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  • The acid is formed by dissolving phosphorus pentoxide in cold water, or by strongly heating orthophosphoric acid.

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  • It combines violently with sulphur at 160° to form phosphorus sulphoxide, P406S4, which forms highly lustrous tetragonal plates (after sublimation), melting at 102° and boiling at 295°; it is decomposed by water .into sulphuretted hydrogen and metaphosphoric acid, the latter changing on standing into orthophosphoric acid.

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