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10.8: Ionization Constants of Weak Acids

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    233061
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    Acid Formula <emKa at 25 °C Lewis Structure
    acetic CH3CO2H 1.8\times{10}^{-5} CNX_Chem_00_HH_1sacetic_img1.jpg
    arsenic H3AsO4 5.5\times{10}^{-3} CNX_Chem_00_HH_1sarsenic_img1.jpg
    H2AsO4 1.7\times{10}^{-7}
    HAsO42− 5.1\times{10}^{-12}
    arsenous H3AsO3 5.1\times{10}^{-10} CNX_Chem_00_HH_1sarsenous_img1.jpg
    boric H3BO3 5.4\times{10}^{-10} CNX_Chem_00_HH_1sboric_img1.jpg
    carbonic H2CO3 4.3\times{10}^{-7} CNX_Chem_00_HH_1scarbonic_img1.jpg
    HCO3 5.6\times{10}^{-11}
    cyanic HCNO 2\times{10}^{-4} CNX_Chem_00_HH_1scyanic_img1.jpg
    formic HCO2H 1.8\times{10}^{-4} CNX_Chem_00_HH_1sformic_img1.jpg
    hydrazoic HN3 2.5\times{10}^{-5} CNX_Chem_00_HH_1shydrazoi_img1.jpg
    hydrocyanic HCN 4.9\times{10}^{-10}  
    hydrofluoric HF 3.5\times{10}^{-4}  
    hydrogen peroxide H2O2 2.4\times{10}^{-12} CNX_Chem_00_HH_1shydroper_img1.jpg
    hydrogen selenide H2Se 1.29\times{10}^{-4}  
    HSe 1\times{10}^{-12}
    hydrogen sulfate ion HSO4 1.2\times{10}^{-2} CNX_Chem_00_HH_1shydrosul_img1.jpg
    hydrogen sulfide H2S 8.9\times{10}^{-8}  
    HS 1.0\times{10}^{-19}
    hydrogen telluride H2Te 2.3\times{10}^{-3}  
    HTe 1.6\times{10}^{-11}
    hypobromous HBrO 2.8\times{10}^{-9}  
    hypochlorous HClO 2.9\times{10}^{-8}  
    nitrous HNO2 4.6\times{10}^{-4} CNX_Chem_00_HH_1snitrous_img1.jpg
    oxyalic H2C2O4 6.0\times{10}^{-2} CNX_Chem_00_HH_1soxalic_img1.jpg
    HC2O4 6.1\times{10}^{-5}
    phosphoric H3PO4 7.5\times{10}^{-3} CNX_Chem_00_HH_1sphosphor_img1.jpg
    H2PO4 6.2\times{10}^{-8}
    HPO42− 4.2\times{10}^{-13}
    phosphorous H3PO3 5\times{10}^{-2} CNX_Chem_00_HH_1sphospho2_img1.jpg
    H2PO3 2.0\times{10}^{-7}
    sulfurous H2SO3 1.6\times{10}^{-2} CNX_Chem_00_HH_1ssulfurou_img1.jpg
    HSO3 6.4\times{10}^{-8}
     
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