Balancing level 1

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Balancing Equations: level 1
1.
__Zn +
__HCl
Left

__ZnCl2 +
__H2
Right
Zn
H
Cl
2.
__CaO
+
Left

__HCl
__CaCl2
+
__H2O
Right
Ca
O
H
Cl
3.
__Na
+
__H2SO4
Left
Right

__Na2SO4
+ __H2
Na
H
S
O
4.
__Al
+

__Fe2O3
Left
__Al2O3
+
__Fe
Right
Al
Fe
O
5.
__CuO
+
Left
__C

__Cu
+
__CO2
Right
Cu
O
C
6.
__Mg
+
Left
__O2

__MgO
Right
Mg
O
8.
__PbO
Left
Pb
O
H
N
+ __HNO3
Right

__Pb(NO3)2
+
__H2O
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