Solubility Rules For Common Mineral Substances
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1General Solubility Rules for Common Mineral Substances
Class
Solubility in Cold Water
Nitrates
All nitrates are soluble
Acetates
All acetates are soluble
Chlorides,
All chlorides, bromides, and iodides are soluble
Bromides,
except those of Ag, Hg(I), and Pb(II); PbCl
and
2
Iodides
PbBr
are slightly soluble in hot water
2
Sulfates
All sulfates are soluble except those of Ba, Sr,
and Pb; Ca and Ag sulfates are slightly soluble
Carbonates
All carbonates and phosphates are insoluble
+
Phosphates
except those of Na, K, and NH
. Many
4
bicarbonates and acid phosphates are soluble
Hydroxides
All Hydroxides are insoluble except those of the
alkali metals and NH
OH; Ba(OH)
and Ca(OH)
4
2
2
are slightly soluble
Sodium salts,
All common salts of these ions are soluble
Potassium salts,
Ammonium salts
Sulfides
All sulfides are insoluble except those of the
alkali metals, ammonium, and the alkaline earth
metals (Ca, Mg, Ba)
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