is soluble in water. Its water solution is neutral. When the solid substance is heated, brown caramel forms and water droplets are observed. A is __________

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter14: Chemical Equilibrium
Section: Chapter Questions
Problem 14.67QE
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A is soluble in water. Its water solution is neutral. When the solid substance is heated, brown caramel forms and water droplets are observed. A 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.

NH4Cl (ammoniumchloride)

b.

Na2SO4 (sodiumsulfate)

c.

Na2B4O7.10 H2O (borax)

d.

C12H22O11 (sugar)

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