Table : Molarity of commercially supplied concentrated acids and bases

Table – Molarity of commercially supplied concentrated acids and bases

Acids and bases
Molecular formula
Molecular weight
Strength of Concentrated reagent as supplied commercially
Specific gravity (g/ml) at 25 °C
Molarity
(Mole/L)
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Formic acid
HCOOH
46.03
95 % (w/w)
1.22
Acetic acid (glacial)
CH3COOH
60.05
99.6% (w/w)
1.05
Hydrochloric acid
HCl
36.46
36 % (w/w)
1.176
11.61
37 % (w/w)
1.2
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Nitric acid
HNO3
63.01
70 % (w/w)
1.413
Phosphoric acid
H3PO4
98.00
85 % (w/w)
1.685
Sulfuric acid
H2SO4
98.07
95 % (w/w)
1.84
Ammonium hydroxide
(also known as aqueous solution of ammonia)
NH4OH
(NH3 + H2O)
35.0
56.6% (w/w)  NH4OH*
Or
28% NH3 in water
0.90
Potassium Hydroxide
KOH
 56.11
45.0% (w/w)
1.456
Sodium Hydroxide
NaOH
40.0
50.0% (w/w)
1.515

* 56.6% Ammonium hydroxide solution contains 28% (w/w) ammonia (NH3). Ammonia is a gas which dissolves readily in water. In aqueous solution, it is present as Ammonium hydroxide.