弱酸弱碱电离常数
摘要:3、弱酸弱碱在水中的离解常数(25℃、I=0)弱酸Ka分子式pKa砷酸H3AsO46.3×10–3(Ka1)1.0×10–7(Ka2)3.2×10–12(Ka3)亚砷酸HAsO26.0×10–109.22硼酸H3BO35.8×10–109.24焦硼酸H2B4O71.0×10–4(Ka1)1.0×10–9(Ka2)49碳酸H2CO3(CO2+H2O)4.2×10–7(Ka1)5.6×10–11(Ka2)6.3810.25氢氰酸HCN6.2×10–109.21铬酸H2CrO41.8×10–1(Ka1)3.2×10–7(Ka2)0.746.50氢氟酸HF6.6×10–43.18亚硝酸HNO25.1×10–43.29过氧化氢H2O21.8×10–1211.75H3PO47.6×10–3(>Ka1)6.3×10–3(Ka2)4.4×10–13(Ka3)2.127.212.36焦磷酸H4P2O73.0×10–2(Ka1)4.4×10–3(Ka2)2.5×10–7(Ka3)5.6×10–10(Ka4)1.522.366.609.25亚磷酸H3PO35.0×10–2(Ka1)2.5×10–7(Ka2)1.306.60氢硫酸H2S1.3×10–7(Ka1)7.1×10–15(Ka2)6.8814.15硫酸HSO4–1.0×10–2(Ka1)1.99亚硫酸H3SO3(SO2+H2O)1.3×10–2(Ka1)1.90磷酸2.207.0011.506.3×10–8(Ka2)7.20偏硅酸H2SiO31.7×10–10(Ka1)1.6×10–12(Ka2)9.7711.8甲酸
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本文档由 匿名用户 于 2022-07-29 23:35:53上传分享