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Density of aqueous solutions of some inorganic substances

Changes in density of aqueous solutions with changes in concentration at 20°C. Density of inorganic substances in water is plotted as function of wt%, mol/kg water and mol/l solution.

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Be aware of the concentration units in the figures:

wt%: Mass of solute/total mass of solution*100%

mol/kg: Molality = moles of solute/kg of water 

mol/liter: Molarity = moles of solute/liter of solution

Values are tabulated below the figures.

See also density of aqueous solutions of inorganic chloridesinorganic potassium salts, inorganic sodium salts, organic acids and organic substances as sugars and alcohols.


Density of aqueous solutions of inorganic salts


Density of aqueous solutions of inorganic salts

Density of aqueous solutions of inorganic salts

Density of aqueous solutions at 20°C, given as g/cm3:

Mass% Ammonia Ammonium sulfate Cupper(II) sulfate Magnesium sulfate Manganese(II) sulfate Nitric acid Phosphoric acid Silver nitrate Sulfuric acid Zinc sulfate
1 0.9938 1.0042 1.0085 1.0084 1.008 1.0037 1.0038 1.007 1.0049 1.0085
5 0.977 1.0279 1.0511 1.0497 1.048 1.0257 1.0254 1.0417 1.0318 1.0511
10 0.9575 1.0574 1.107 1.1034 1.1012 1.0543 1.0531 1.0882 1.0661 1.1071
20 0.9228 1.1154 1.2198 1.2203 1.115 1.1135 1.1942 1.1398
30 0.892 1.1721 1.2961 1.1801 1.1804 1.3204 1.2191
40 1.2277 1.2466 1.2536 1.4743 1.3028
50 1.3952
70 1.6105
100 1.8305
Density at 20°C, given as kg/cm3


Conversion of the concentration from mass% to mol/kg (moles of solute/kg of water = molality):

Mass% Ammonia Ammonium sulfate Cupper(II) sulfate Magnesium sulfate Manganese(II) sulfate Nitric acid Phosphoric acid Silver nitrate Sulfuric acid Zinc sulfate
1 0.593 0.076 0.063 0.084 0.067 0.16 0.103 0.059 0.103 0.063
5 3.09 0.398 0.33 0.437 0.349 0.835 0.537 0.31 0.537 0.326
10 6.524 0.841 0.696 0.923 0.736 1.763 1.134 0.654 1.133 0.688
20 14.679 1.892 2.077 1.656 3.967 2.551 1.472 2.549
30 25.164 3.243 2.919 6.801 4.373 2.523 4.37
40 5.045 10.58 6.803 3.925 6.797
50 10.196
70 23.79
100
Molality at 20°C, given as mol/kg water


Conversion of the concentration from mass% to mol/liter (moles of solute/liter of solution = molarity):

Mass% Ammonia Ammonium sulfate Cupper(II) sulfate Magnesium sulfate Manganese(II) sulfate Nitric acid Phosphoric acid Silver nitrate Sulfuric acid Zinc sulfate
1 0.584 0.076 0.063 0.084 0.067 0.159 0.102 0.059 0.102 0.062
5 2.868 0.389 0.329 0.436 0.347 0.814 0.523 0.307 0.526 0.326
10 5.622 0.8 0.694 0.917 0.729 1.673 1.075 0.641 1.087 0.686
20 10.837 1.688 2.027 1.616 3.539 2.273 1.406 2.324
30 15.713 2.661 2.8 5.618 3.614 2.332 3.729
40 3.716 7.913 5.117 3.472 5.313
50 7.113
70 11.494
100 18.663
Molarity at 20°C, given as mol/l solution
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