Table of Acid and Base Strength

Table of Acid and Base Strength

Ka	Acid		Base
	Name	Formula	Formula	Name
Large	Perchloric acid	HClO4	ClO4 -	Perchlorate ion
3.2 * 109	Hydroiodic acid	HI	I-	Iodide
1.0 * 109	Hydrobromic acid	HBr	Br-	Bromide
1.3 * 106	Hydrochloric acid	HCl	Cl-	Chloride
1.0 * 103	Sulfuric acid	H2SO4	HSO4 -	Hydrogen sulfate ion
2.4 * 101	Nitric acid	HNO3	NO3 -	Nitrate ion
--------	Hydronium ion	H3O+	H2O	Water
5.4 * 10-2	Oxalic acid	HO2C2O2H	HO2C2O2-	Hydrogen oxalate ion
1.3 * 10-2	Sulfurous acid	H2SO3	HSO3 -	Hydrogen sulfite ion
1.0 * 10-2	Hydrogen sulfate ion	HSO4 -	SO4 2-	Sulfate ion
7.1 * 10-3	Phosphoric acid	H3PO4	H2PO4 -	Dihydrogen phosphate ion
7.2 * 10-4	Nitrous acid	HNO2	NO3 -	Nitrite ion
6.6 * 10-4	Hydrofluoric acid	HF	F -	Fluoride ion
1.8 * 10-4	Methanoic acid	HCO2H	HCO2 -	Methanoate ion
6.3 * 10-5	Benzoic acid	C6H5COOH	C6H5COO-	Benzoate ion
5.4 * 10-5	Hydrogen oxalate ion	HO2C2O2-	O2C2O2 2-	Oxalate ion
1.8 * 10-5	Ethanoic acid	CH3COOH	CH3COO	Ethanoate (acetate) ion
4.4 * 10-7	Carbonic acid	CO3 2-	HCO3 -	Hydrogen carbonate ion
1.1 * 10-7	Hydrosulfuric acid	H2S	HS-	Hydrogen sulfide ion
6.3 * 10-8	Dihydrogen phosphate ion	H2PO4 -	HPO4 2-	Hydrogen phosphate ion
6.2 * 10-8	Hydrogen sulfite ion	HS-	S2-	Sulfite ion
2.9 * 10-8	Hypochlorous acid	HClO	ClO-	Hypochlorite ion
6.2 * 10-10	Hydrocyanic acid	HCN	CN-	Cyanide ion
5.8 * 10-10	Ammonium ion	NH4 +	NH3	Ammonia
5.8 * 10-10	Boric acid	H3BO3	H2BO3 -	Dihydrogen carbonate ion
4.7 * 10-11	Hydrogen carbonate ion	HCO3 -	CO3 2-	Carbonate ion
4.2 * 10-13	Hydrogen phosphate ion	HPO4 2-	PO4 3-	Phosphate ion
1.8 * 10-13	Dihydrogen borate ion	H2BO3-	HBO3 2-	Hydrogen borate ion
1.3 * 10-13	Hydrogen sulfide ion	HS-	S 2-	Sulfide ion
1.6 * 10-14	Hydrogen borate ion	HBO3 2-	BO3 3-	Borate ion
---------	water	H2O	OH-	Hydroxide