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Friday, June 18, 2010

Concentrations of Acids and Bases


 

Composition of concentrated reagent grade acids, ammonium hydroxide, and sodium and potassium hydroxide solutions (with dilution directions to prepare 1N solution)
 
Chemical
 
MF
   
Approx. Strength of
Concd. Reagenta
   
Molarity of
Concd. Reagent
   
Milliliters of Concd.Reagent
Necessary to Prepare 1 Liter of 1 Normal Soln.c
 
Acetic Acid, Glacial
   
CH3COOH
   
99.8
   
17.4
   
57.5
 
Formic Acid
   
HCOOH
   
90.0
   
23.6
   
42.5
 
Hydrochloric Acid
   
HCl
   
37.2
   
12.1
   
82.5
 
Hydrofluoric Acid
   
HF
   
49.0
   
28.9
   
34.5
 
Nitric Acid
   
HNO3
   
70.4
   
15.9
   
63.0
 
Perchloric Acid
   
HClO4
   
70.5
   
11.7
   
85.5
 
Perchloric Acid
   
HClO4
   
61.3
   
9.5
   
105.5
 
Phosphoric Acid
   
H3PO4
   
85.5
   
14.8
   
22.5
 
Sulfuric Acid
   
H2SO4
   
96.0
   
18.0
   
28.0
 
Ammonium Hydroxide
   
NH4OH
   
56.6b
   
14.5
   
69.0
 
Sodium Hydroxide
   
NaOH
   
50.5
   
19.4
   
51.5

Potassium Hydroxide
   
KOH
   
45.0
   
11.7
   
85.5
a - Representative value, w/w%.
b - Equivalent to 28.0% w/w NH3.
c - Rounded to nearest 0.5 ml.

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