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Equations using symbols and formulae : Answers
 

Equation 1:

Unbalanced equation

.Fe

H2SO4.

FeSO4

.H2
Balanced equation

.Fe

H2SO4.

.FeSO4

.H2

Equation 2:

Unbalanced equation

Al

HCl

.AlCl3

..H2
Balanced equation

2Al

6HCl

2AlCl3

3.H2

Equation 3:

Unbalanced equation .CaO

HNO3

.Ca(NO3)2

.H2O
Balanced equation CaO

2HNO3

Ca(NO3)2

H2O.

Equation 4:

Unbalanced equation

Al2O3

H2SO4

.Al2(SO4)3

H2O
Balanced equation

Al2O3

3H2SO4

Al2(SO4)3

3H2O

 

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