Balancing of Ionic Equations

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Balancing of Ionic Equations :

In these equations, charge balancing of atoms on both sides of the equation, e.g.,

Initial    Cu2+(aq.) + H2S  →  CuS (s) + H+ (aq)

Balanced Cu2+ (aq.) + H2S  →  CuS (s) + 2H+ (aq)

We have balanced the charges. It was + 2 on LHS and we have made + 2 on RHS. Number of Hydrogen atoms, Cu and Sulphur atoms are also balanced on both sides.

Compound

Formula

Ions involved

Sodium chloride

NaCl

Na+ and Cl–

Magnesium chloride

MgCl2

Mg2+ and Cl–

Magnesium oxide

MgO

Mg2+ and O2–

Calcium chloride

CaCl2

Ca2+ and Cl–

Calcium oxide

CaO

Ca2+ and O2–

Ammonium chloride

NH4ClNH4+ and Cl–

Barium chloride

BaCl2Ba2+ and Cr

Potassium nitrate

KNO3

K+ and NO3–

Ammonium sulphate

(NH4)2SO4 NH4+and SO42-

Cupric sulphate

CuSO4

 Cu2+ and SO42+

Cupric chlorideCuCl2

Cu2+ and Cl–

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