Solubilities of various salts in water

In this post, the solubilities of various salts in water at 20 °C are listed in a table (figure 1).

In this list, you can easily notice the wide range in solubilities, where silver nitrate has a very high solubility of 217 g per 100 g water and silver chloride has a very low solubility of 0.000 000 1 g per 100 g water.

Solubilities of various salts in water listed in an table (image)

figure 1: The table shows the solubilities of various salts in water
figure 1: The table shows the solubilities of various salts in water

soluble and insoluble salts – definition

It is useful to divide salts into two categories – soluble and insoluble.

Salts with a solubility greater than 1 g per 100 g water are classed as soluble; salts with a solubility less than 1 g per 100 g water are classed as insoluble.

The general rules for the solubilities of common salts

  • All salts of sodium, potassium & ammonium are soluble.
  • All nitrates are soluble.
  • All sulphates are soluble except Ag2SO4, CaSO4, BaSO4, and PbSO4
  • All chlorides are soluble except AgCl and PbCl2
  • All carbonates are insoluble except those of Na+, K+, and NH4+.
Solubilities of various salts in water
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