常見弱電解質(zhì)電離平衡常數(shù)表

1、精品文檔弱電解質(zhì)的解離常數(shù)( 近似濃度 O.O1 O.OO3mol·L-1 , 溫度 298K)名稱化學(xué)式解離常數(shù)， K醋酸HAc1.76 ×1O -5碳酸H2CO 3K1=4.3O ×lO 7K2=5.61 ×1O 11草酸H 2C2O 4K1=5.9O ×lO -2K2=6.4O ×lO -5p K4.756.371O.251.234.19亞硝酸HNO 2磷酸H3PO 4亞硫酸H2SO3硫酸H2SO4硫化氫H 2 S氫氰酸HCN鉻酸H 2 CrO 4*硼酸H3BO 3氫氟酸HF過氧化氫H2O2次氯酸HClO次溴酸HBrO4.6 &

2、#215;1O 4 (285.5K)K1=7.52 ×lO -3K2=6.23 ×1O 8K3=2.2 ×lO 13 (291K)K1=1.54 ×lO -2 (291K)K2=1.O2 ×lO -7K2=l.2O ×lO 2K1=9.l ×lO 8 (291K)K2=l.l ×1O -124.93 ×1O 1OK1=1.8 ×lO -1K2=3.2O ×1O -75.8 ×1O -1O3.53 ×1O -42.4 ×1O -122.95 ×1O

3、 5 (291K)2.O6 ×1O -93.372.127.2112.671.816.911.927.O411.969.31O.746.499.243.4511.624.538.69隨意編輯次碘酸HIO碘酸HIO 3砷酸H 3 AsO 4亞砷酸HAsO 2銨離子NH 4+氨水NH 3·H2O聯(lián)胺N 2H4羥氨NH 2OH氫氧化鉛Pb(OH)2氫氧化鋰LiOH氫氧化鈹Be(OH)2BeOH +氫氧化鋁A1(OH)3Al(OH)2 +氫氧化鋅Zn(OH)2氫氧化鎘Cd(OH) 2* 乙二胺H 2NC 2H 4NH 2* 六亞甲基四(CH 2)6 N 4胺*尿素CO(NH 2 )

4、2* 質(zhì)子化六亞(CH 2)6 N 4H +甲基四胺甲酸HCOOH精品文檔2.3 ×1O -111.69 ×1O 1K1=5.62 ×lO -3 (291K)K 2 l.7O ×lO 7K3=3.95 ×1O 126 ×1O -1O5.56 ×1O -1O1.79 ×1O 58.91 ×1O 79.12 ×1O -99.6 ×1O 46.31 ×1O -11.78 ×1O 62.51 ×1O 95.O1 ×1O -91.99 ×1O -

5、1O7.94 ×1O -75.O1 ×1O 11K1=8.5 ×lO 5K2=7.l ×lO -81.35 ×1O -91.3 ×1O 147.1 ×1O -61.77 ×1O -4 (293K)1O.64O.772.256.7711.4O9.229.254.756.O58.O43.O2O.25.758.68.39.76.11O.34.O77.158.8713.895.153.75隨意編輯精品文檔氯乙酸ClCH2 COOH氨基乙酸NH 2CH 2 COOH* 鄰苯二甲酸C H4(COOH)26檸檬酸(HOOCCH2

6、)2 C(OH)COOH-酒石酸(CH(OH)COOH)2*8- 羥基喹啉C9 H 6 NOH苯酚C6 H 5OH* 對氨基苯磺H 2NC 6H 4SO 3H酸* 乙二胺四乙(CH 2COOH) 2 NH + CH 2CH 2 NH + (酸 (EDTA)CH 2 COOH) 21.4O ×1O -31.67 ×1O -1OK1=1.12 ×1O -3K2=3.91 ×1O -6K1=7.l ×1O -4K2=1.68 ×1O -5 (293K)K3=4.1 ×1O -7K1=1.O4 ×1O -3K2=4.55 ×1O -5K1=8 ×lO -6K2=1 ×1O -91.28 ×1O -1O (293K)Kl=2.6 ×lO -lK2=7.6 ×1O -4K5=5.