?Fe + ? CI2 - ? FeCI3 balance
the equation

2 Fe + 3 Cl2 -> 2 FeCl3

Explanation:

Write out the problem and list how many of each element are on each side.

__Fe + __Cl2 -> __FeCl3

Fe = 1                 Fe = 1

Cl =2                  Cl = 3

As Cl needs changing on the reactants side, put a 3 in the __ space and write the problem again.

__Fe + 3 Cl2 -> __FeCl3

Fe = 1                 Fe = 1

Cl =6                  Cl = 3

Now fix the products side.

__Fe + 3 Cl2 -> 2 FeCl3

Fe = 1                 Fe = 2

Cl =6                  Cl = 6

Now fix the reactants again.

2 Fe + 3 Cl2 -> 2 FeCl3

Fe = 2                 Fe = 2

Cl =6                  Cl = 6

Hope this helps!

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