Writing Chemical Formula Worksheet With Answer Key - Spes Unica Page 17
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283. Balance the O atoms by putting 3 in FRONT of the FeO so we have 3 O
atoms on each side.
2Al + 3FeO → Al
O
+ Fe
2
3
Reactants side
Products side
2 Al
2Al
3Fe
1 Fe
3 O
3O
4. Balance the Fe atoms by putting 3 in FRONT of the Fe so we have 3 Fe
atoms on each side.
2Al + 3FeO → Al
O
+ 3Fe
2
3
Reactants side
Products side
2 Al
2Al
3Fe
3 Fe
3 O
3O
The equation is now balanced
17
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