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Chloric acid, HClO3, is an oxoacid of chlorine, and the formal precursor of chlorate salts. It is a strong acid (p''K''a ≈ −1) and oxidizing agent. ==Properties== Chloric acid is thermodynamically unstable with respect to disproportionation. Chloric acid is stable in cold aqueous solution up to a concentration of approximately 30%, and solution of up to 40% can be prepared by careful evaporation under reduced pressure. Above these concentrations, chloric acid solutions decompose to give a variety of products, for example: :8HClO3 → 4HClO4 + 2H2O + 2Cl2 + 3 O2 :3HClO3 → HClO4 + H2O + 2 ClO2 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「chloric acid」の詳細全文を読む スポンサード リンク
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