pH Calculator for common acid/base

This tool calculates the pH of either an acid or base solution at specified concentration.

Solute: Concentration

Compound Name	Formula	Type	Ka	Kb	Molar Mass
Acetic acid	CH₃COOH	Acid	0.0000175		60.05 g/mol
Arsenic acid	H₃AsO₄	Acid	0.006		141.94 g/mol
Arsenious acid	H₃AsO₃	Acid	6e-10		125.94 g/mol
Benzoic acid	C₆H₅COOH	Acid	0.000063		122.12 g/mol
Boric acid	H₃BO₃	Acid	6.4e-10		61.83 g/mol
Carbonic acid	H₂CO₃	Acid	4.3e-7		62.03 g/mol
Citric acid	HOOC(OH)C(CH₂COOH)₂	Acid	0.00074		192.13 g/mol
Formic acid	HCOOH	Acid	0.000176		46.03 g/mol
Hydrocyanic acid	HCN	Acid	7.2e-10		27.03 g/mol
Hydrofluoric acid	HF	Acid	0.00067		20.01 g/mol
Hydrosulfuric acid	H₂S	Acid	9.1e-8		34.08 g/mol
Hydrochloric acid	HCl	Acid	1		36.46 g/mol
Hypochlorous acid	HOCl	Acid	1.1e-8		52.46 g/mol
Perchloric acid	HClO₄	Acid	1		100.46 g/mol
Chlorous acid	HClO₂	Acid	0.012		68.46 g/mol
Sulfuric acid	H₂SO₄	Acid	1		98.08 g/mol
Sulfurous acid	H₂SO₃	Acid	0.013		82.08 g/mol
Nitric acid	HNO₃	Acid	1		63.01 g/mol
Nitrous acid	HNO₂	Acid	0.00051		47.01 g/mol
Phenol acid	C₆H₅OH	Acid	1.1e-10		94.11 g/mol
Phenol	C₆H₅OH	Base		1.1e-10	94.11 g/mol
Phosphoric acid	H₃PO₄	Acid	0.011		98.00 g/mol
Phosphorous acid	H₃PO₃	Acid	0.05		82.00 g/mol
Sodium hydroxide	NaOH	Base		1	40.00 g/mol
Aniline	C₆H₅NH₂	Base		4e-10	93.13 g/mol
Ammonia	NH₃	Base		0.0000175	17.03 g/mol
Dimethylamine	(CH₃)₂NH	Base		0.00054	45.08 g/mol
Ethylamine	C₂H₅NH₂	Base		0.000741	45.08 g/mol
Lithium hydroxide	LiOH	Base		1.1	24.00 g/mol
Methylamine	CH₃NH₂	Base		0.000438	31.06 g/mol
Oxalic acid	C₂H₂O₄	Acid	0.035		90.03 g/mol
Potassium hydroxide	KOH	Base		1.23e-11	56.11 g/mol
Pyridine	C₅H₅N	Base		1.7e-9	79.10 g/mol
Trimethylamine	(CH₃)₃N	Base		0.000063	59.11 g/mol