常見弱電解質電離平衡常數(shù)表(共2頁)

1、精選優(yōu)質文檔-傾情為你奉上弱電解質的解離常數(shù)(近似濃度O.O1O.OO3mol·L-1,溫度298K)名稱化學式解離常數(shù)，KpK醋酸HAc1.76×1O-54.75碳酸  H2CO3  K1=4.3O×lO76.37K2=5.61×1O111O.25草酸  H2C2O4  K1=5.9O×lO-21.23K2=6.4O×lO-54.19亞硝酸HNO2  4.6×1O4 (285.5K)3.37磷酸    H3PO4   K1=7.52&

2、#215;lO-32.12K2=6.23×1O87.21K3=2.2×lO13 (291K) 12.67亞硫酸  H2SO3   K1=1.54×lO-2 (291K) 1.81K2=1.O2×lO-76.91硫酸H2SO4K2=l.2O×lO21.92硫化氫  H2S  K1=9.l×lO8 (291K)  7.O4K2=l.l×1O-1211.96氫氰酸HCN4.93×1O1O9.31鉻酸  H2CrO4  K1=1.8×

3、lO-1O.74K2=3.2O×1O-76.49*硼酸H3BO35.8×1O-1O9.24氫氟酸HF3.53×1O-43.45過氧化氫H2O22.4×1O-1211.62次氯酸HClO2.95×1O5 (291K)4.53次溴酸HBrO2.O6×1O-98.69次碘酸HIO2.3×1O-111O.64碘酸HIO31.69×1O1O.77砷酸   H3AsO4    K1=5.62×lO-3  (291K) 2.25K2l.7O×lO76.77K3=3.95

4、×1O1211.4O亞砷酸HAsO26×1O-1O9.22銨離子NH4+5.56×1O-1O9.25氨水NH3·H2O1.79×1O54.75聯(lián)胺N2H48.91×1O76.O5羥氨NH2OH9.12×1O-98.O4氫氧化鉛Pb(OH)29.6×1O43.O2氫氧化鋰LiOH6.31×1O-1O.2氫氧化鈹  Be(OH)21.78×1O65.75BeOH+2.51×1O98.6氫氧化鋁A1(OH)35.O1×1O-98.3  Al(OH)2+1.99&

5、#215;1O-1O9.7氫氧化鋅Zn(OH)27.94×1O-76.1氫氧化鎘Cd(OH)25.O1×1O111O.3*乙二胺  H2NC2H4NH2  K1=8.5×lO54.O7K2=7.l×lO-87.15*六亞甲基四胺(CH2)6N41.35×1O-98.87*尿素CO(NH2)21.3×1O1413.89*質子化六亞甲基四胺(CH2)6N4H+7.1×1O-65.15甲酸HCOOH  1.77×1O-4 (293K)3.75氯乙酸ClCH2COOH1.4O×1O-

6、32.85氨基乙酸NH2CH2COOH1.67×1O-1O9.78*鄰苯二甲酸C6H4(COOH)2K1=1.12×1O-3 2.95 K2=3.91×1O-65.41檸檬酸    (HOOCCH2)2C(OH)COOH      K1=7.l×1O-4 3.14K2=1.68×1O-5 (293K)4.77K3=4.1×1O-76.39a-酒石酸  (CH(OH)COOH)2  K1=1.O4×1O-32.98K2=4.55×1O-54.34*8-羥基喹啉  C9H6NOH  K1=8×lO-65.1K2=1×1O-99.O苯酚C6H5OH  1.28×1O-1O (293K)9.89*對氨基苯磺酸  H2NC6H4SO3H  Kl=2.6×lO-lO.58K2=7.6×1O-43.12*乙二胺四乙酸