Sdgsgs

|Acid and Base Ionization Constants |
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|Acid Ionization Constant (Ka) - the equilibrium constant for a weak acid. |
|Acid Ionization Constants |
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|Substance |
|Formula |
|Ka |
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|Acetic Acid |
|HC2H3O2 |
|1.7 x 10-5 |
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|Benzoic Acid |
|HC7H5O2 |
|6.3 x 10-5 |
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|Boric Acid |
|H3BO3 |
|5.9 x 10-10 |
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|Carbonic Acid |
|H2CO3 |
|4.3 x 10-7 |
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|HCO3- |
|4.8 x 10-11 |
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|Cyanic Acid |
|HCNO |
|4.9 x 10-10 |
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|Formic Acid |
|HCHO2 |
|1.7 x 10-4 |
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|Hydrocyanic Acid |
|HCN |
|4.9 x 10-10 |
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|Hydrofluoric Acid |
|HF |
|6.8 x 10-4 |
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|Hydrogen Sufate ion |
|HSO4- |
|1.1 x 10-2 |
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|Hydrogen Sulfide |
|H2S |
|8.9 x 10-8 |
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|HS- |
|1.2 x 10-13 |
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|Hypochlorous Acid |
|HClO |
|3.5 x 10-8 |
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|Nitrous Acid |
|HNO2 |
|4.5 x 10-4 |
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|Oxalic Acid |
|H2C2O4 |
|5.6 x 10-2 |
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|HC2O4- |
|5.1 x 10-5 |
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|Phosphoric Acid |
|H3PO4 |
|6.9 x 10-3 |
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|H2PO4- |
|6.2 x 10-8 |
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|HPO42- |
|4.8 x 10-13 |
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|Phosphorus Acid |
|H2PHO3 |
|1.6 x 10-2 |
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|HPHO3 |
|7.0 x 10-7 |
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|Propionic Acid |
|HC3H5O2 |
|1.3 x 10-5 |
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|Pyruvic Acid |
|HC3H3O3 |
|1.4 x 10-4 |
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|Sulfurous Acid |
|H2SO3 |
|1.3 x 10-2 |
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|HSO3 |
|6.3 x 10-8 |
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|Base Ionization Constant (Kb) - the equilibrium constant for a weak base. |
|Base Ionization Constants |
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|Substance |
|Formula |
|Kb |
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|Ammonia |
|NH3 |
|1.8 x 10-5 |
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|Aniline |
|C6H5NH2 |
|4.2 x 10-10 |
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|Dimethylamine |
|(CH3)2NH |
|5.1 x 10-4 |
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|Ethylamine |
|C2H5NH2 |
|4.7 x 10-4 |
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|Hydrazine |
|N2H4 |
|1.7 x 10-6 |
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|Hydroxylamine |
|NH2OH |
|1.1 x 10-8 |
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|Methylamine |
|CH3NH2 |
|4.4 x 10-4 |
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|Pyridine |
|C5H5N |
|1.4 x 10-9 |
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|Urea |
|NH2CONH2 |
|1.5 x 10-14 |
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