TABLE OF CONJUGATE ACID-BASE PAIRS Acid Base Ka (25 C)

[Pages:1]TABLE OF CONJUGATE ACID-BASE PAIRS

Acid

Base

HClO4 H2SO4 HCl

HNO3 H3O+ H2CrO4 H2C2O4 (oxalic acid) [H2SO3] = SO2(aq) + H2O HSO4? H3PO4 Fe(H2O)63+ H2C8H4O4 (o?phthalic acid) H2C4H4O6 (tartaric acid) Hg(H2O)62+ Sn(H2O)32+ HCO2H (formic acid) Cr(H2O)63+ Hg2(H2O)22+ C6H5CO2H (benzoic acid) HC2O4? (hydrogen oxalate) HC4H4O6? (hydrogen tartrate) CH3CO2H (acetic acid) Al(H2O)63+ Be(H2O)42+ HC8H4O4? (hydrogen phthalate) Cd(H2O)62+ Cu(H2O)62+ H2CO3 HCrO4? H2S H2PO4? HSO3? HOCl Pb(H2O)32+ HOBr

H3BO3 or B(OH)3 NH4+ Zn(H2O)42+ Ni(H2O)62+ HCO3? Co(H2O)62+ HOI Fe(H2O)62+ Mn(H2O)62+ Mg(H2O)62+ Ag(H2O)2+ HPO42? Al(H2O)3(OH)3(s) Ca(H2O)62+ Zn(H2O)4(OH)2(s) H2O HS?

ClO4? HSO4? Cl? NO3? H2O HCrO4? HC2O4? HSO3? SO42? H2PO4? Fe(H2O)5OH2+ HC8H4O4? HC4H4O6? Hg(H2O)5OH+ Sn(H2O)2OH+ HCO2? Cr(H2O)5OH2+ Hg2(H2O)OH+ C6H5CO2? C2O42? C4H4O62? CH3CO2? Al(H2O)5OH2+ Be(H2O)3OH+ C8H4O42? Cd(H2O)5OH+ Cu(H2O)5OH+ HCO3? CrO42? HS? HPO42? SO32? OCl? Pb(H2O)2OH+ OBr? B(OH)4? NH3 Zn(H2O)3OH+ Ni(H2O)5OH+ CO32? Co(H2O)5OH+ OI? Fe(H2O)5OH+ Mn(H2O)5OH+ Mg(H2O)5OH+ Ag(H2O)OH(s) PO43? Al(H2O)2(OH)4? Ca(H2O)5OH+ Zn(H2O)3(OH)3? OH? S2?

Ka (25 oC)

1.8 x 10?1 5.90 x 10?2 1.71 x 10?2 1.20 x 10?2 7.52 x 10?3 1.84 x 10?3 1.30 x 10?3 1.04 x 10?3 2.6 x 10?4 ~2 x 10?4 1.9 x 10?4 1.6 x 10?4 ~1 x 10?4 6.46 x 10?5 6.40 x 10?5 4.55 x 10?5 1.76 x 10?5 1.4 x 10?5 ~1 x 10?5 3.1 x 10?6 8.32 x 10?7 ~5 x 10?7 4.3 x 10?7 3.20 x 10?7 1.2 x 10?7 6.23 x 10?8 6.0 x 10?8 2.8 x 10?8 1.3 x 10?8 2.06 x 10?9 5.8 x 10?10 5.65 x 10?10 2.5 x 10?10 ~6 x 10?11 5.61 x 10?11 ~4 x 10?11 2.3 x 10?11 ~1 x 10?11 ~6 x 10?12 ~4 x 10?12 ~7 x 10?13 4.5 x 10?13 ~4 x 10?13 3.2 x 10?13

(?) (1.0 x 10?14) ~1 x 10?19

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