is soluble in water H2O and in nitric acid HNO3. It gives a precipitate with Ba(NO3)2 solution and the precipitate is not soluble in any strong acid. When solid B is heated, there is no change. B is __________
B is soluble in water H2O and in nitric acid HNO3. It gives a precipitate with Ba(NO3)2 solution and the precipitate is not soluble in any strong acid. When solid B is heated, there is no change. B is __________.
SOLUBILITY RULES
Solubilities of ionic substances in water:
1) All salts of Na+, K+, NH4+ are soluble in water.
2) All salts of NO3-, CH3COO- (C2H3O2-) are soluble in water.
3) All salts of Cl-, Br-, I- are soluble in water (except Ag+, Pb2+, Hg22+ )
4) All salts of SO42- are soluble in water ( except Ba2+, Pb2+, Sr2+)
SO42- of Ca2+, Ag+, Hg22+ are slightly soluble in water.
5) All salts of CO32-, PO43- are insoluble in water (except Na+, K+, NH4+)
6) All salts of S2- are insoluble in water ( except Na+, K+, NH4+, Ba2+,Ca2+, Mg2+, Sr2+)
7) All salts of O2-, OH- are insoluble in water ( except Na+, K+, NH4+, (Ba2+))
OH- of Ca2+, Sr2+, (Ba2+) are slightly soluble in water
OH- of Mg2+ is very very slightly soluble in water
STRONG ACIDS STRONG BASES
HCl LiOH
HBr NaOH
HI KOH
HClO4 RbOH
HNO3 CsOH
H2SO4 Mg(OH) 2
Ca(OH) 2
Sr(OH) 2
Ba(OH) 2
a.
C12H22O11 (sugar)
b.
NH4Cl (ammoniumchloride)
c.
Na2B4O7.10 H2O (borax)
d.
Na2SO4 (sodiumsulfate)
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