AcidBase_Ka - TABLE OF CONJUGATE ACID-BASE PAIRS Acid HClO4...

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TABLE OF CONJUGATE ACID-BASE PAIRS Acid Base K a (25 o C) HClO 4 ClO 4 H 2 SO 4 HSO 4 HCl Cl HNO 3 NO 3 H 3 O + H 2 O1 . 0 H 2 CrO 4 HCrO 4 1.8 x 10 –1 H 2 C 2 O 4 (oxalic acid) HC 2 O 4 5.90 x 10 –2 [H 2 SO 3 ] = SO 2 ( aq ) + H 2 OH S O 3 1.71 x 10 –2 HSO 4 SO 4 2– 1.20 x 10 –2 H 3 PO 4 H 2 PO 4 7.52 x 10 –3 Fe(H 2 O) 6 3+ Fe(H 2 O) 5 OH 2+ 1.84 x 10 –3 H 2 C 8 H 4 O 4 ( o –phthalic acid) HC 8 H 4 O 4 1.30 x 10 –3 H 2 C 4 H 4 O 6 (tartaric acid) HC 4 H 4 O 6 1.04 x 10 –3 HF F 6.8 x 10 –4 Hg(H 2 O) 6 2+ Hg(H 2 O) 5 OH + 2.6 x 10 –4 HCO 2 H (formic acid) HCO 2 1.8 x 10 –4 Cr(H 2 O) 6 3+ Cr(H 2 O) 5 OH 2+ 1.6 x 10 –4 C 6 H 5 CO 2 H (benzoic acid) C 6 H 5 CO 2 6.46 x 10 –5 HC 2 O 4 (hydrogen oxalate) C 2 O 4 2– 6.40 x 10 –5 HC 4 H 4 O 6 (hydrogen tartrate) C 4 H 4 O 6 2– 4.55 x 10 –5 CH 3 CO 2 H (acetic acid) CH 3 CO 2 1.76 x 10 –5 Be(H 2 O) 4 2+ Be(H 2 O) 3 OH + ~1 x 10 –5 Al(H 2 O) 6 3+ Al(H 2 O) 5 OH 2+ 7.9 x 10 –6 HC 8 H 4 O 4 (hydrogen phthalate) C 8 H 4 O 4 2– 3.1 x 10 –6 Cd(H 2 O) 6 2+ Cd(H 2 O) 5 OH + 8.32 x 10 –7 H 2 CO 3 HCO 3 4.3 x 10 –7 HCrO 4 CrO 4 2– 3.20 x 10 –7 Cu(H 2 O) 6 2+ Cu(H 2 O) 5 OH + 1.6 x 10 –7 H 2 SH S 1.2 x 10 –7 H 2 PO 4 HPO 4 2– 6.23 x 10 –8 HSO 3 SO 3 2– 6.2 x 10 –8 HOCl OCl 3.0 x 10 –8 Pb(H 2 O) 6 2+ Pb(H 2 O) 5 OH + 1.5 x 10 –8 HOBr OBr 2.06 x 10 –9
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