Acids - pH Values

Some common acids as sulfuric, acetic and more

pH is a measure of the activity of hydrogen ions (H+) in a solution and, therefore, its acidity or alkalinity.

Acidity of some common acids are indicated in the table below:

Acid Normality pH
Acetic N 2.4
Acetic 0.1 N 2.9
Acetic 0.01 N 3.4
Alum 0.1 N 3.2
Arsenious saturated 5.0
Benzoic 0.1 N 3.0
Boric 0.1 N 5.2
Carbonic saturated 3.8
Citric 0.1 N 2.2
Formic 0.1 N 2.3
Hydrochloric N 0.1
Hydrochloric 0.1 N 1.1
Hydrochloric 0.01 N 2.0
Hydrocyanic 0.1 N 5.1
Hydrogen sulfide 0.1 N 4.1
Lactic 0.1 N 2.4
Lemon Juice   2
Malic 0.1 N 2.2
Nitric 0.1N 1.0
Orthophosphoric 0.1 N 1.5
Oxalic 0.1 N 1.3
Salicylic saturated 2.4
Succinic 0.1N 2.7
Sulfuric N 0.3
Sulfuric 0.1 N 1.2
Sulfuric 0.01 N 2.1
Sulfurous 0.1 N 1.5
Stomach Acid   1
Tartaric 0.1 N 2.2
Trichloracetic 0.1N 1.2
Vinegar   3

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