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This acid-base chart includes the K a value for reference along with the chemical's formula and the acid’s conjugate base. The acid and base chart is a reference table designed to make determining the strength of acids and bases simpler.
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Table of Acids with Ka and pKa Values* CLAS * Compiled from Appendix 5 Chem 1A, B, C Lab Manual and Zumdahl 6th Ed. The pKa values for organic acids can be found in Appendix II of Bruice 5th Ed.
14 sie 2020 · To know the relationship between acid or base strength and the magnitude of Ka, Kb, pKa, and pKb. To understand the leveling effect. The magnitude of the equilibrium constant for an ionization reaction can be used to determine the relative strengths of acids and bases.
TABLE OF CONJUGATE ACID-BASE PAIRS Acid Base K a (25 oC) HClO 4 ClO 4 – H 2 SO 4 HSO 4 – HCl Cl– HNO 3 NO 3 – H 3 O + H 2 O 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) + H2 O HSO
1. Strong acids are listed at the top left hand corner of the table and have Ka values >1 2. Acid with values less than one are considered weak. 3. The strong bases are listed at the bottom right of the table and get weaker as we move to the top of the table.
Acid Ionization Constants at 25 °C. Acid Formula K a. Acetic acid HC 2 H 3 O 2 1.8×10 –5 Acrylic acid HC 3 H 3 O 2 5.5×10 –5 Aluminum 3+ ion Al 3+ (aq) 1.4×10 –5 Ammonium ion NH 4 + 5.6×10 –10 Anilinium ion C 6 H 5 NH 3 + 1.4×10 –5 Arsenic acid H 3 AsO 4 6.0×10 –3 H 2 AsO 4 – 1.0×10 –7. HAsO 4 2– 3.2×10 –12. Arsenous acid H 3 AsO 3 6.6×10 –10 Ascorbic acid H 2 C ...
HCl : Cl- Very large : Nitric : HNO 3 : NO 3- Very large : Sulfuric : H 2 SO 4 : HSO 4- Very large : Hydronium ion : H 3 O + H 2 O : 1.0 : Iodic : HIO 3 : IO 3- 1.7 x 10-1 : Oxalic : H 2 C 2 O 4 : HC 2 O 4- 5.9 x 10-2 : Sulfurous : H 2 SO 3 : HSO 3- 1.5 x 10-2 : Hydrogen sulfate ion : HSO 4- SO 4 2- 1.2 x 10-2 : Phosphoric : H 3 PO 4 : H 2 PO 4 ...
