Is this equation properly balanced? #4Fe + 3O_2 -> 2 Fe_2O_3#?
Yes! (See explanation)
Count how many
You are given:
You actually have the same number of
For added benefit consider the following equation:
ASK: Is this equation balanced? Quick answer: No
ASK: So how do we know and how do we then balance it?
DO: Count the number of each atom type you have on each side of the equation:
As you can see everything is balanced except for
Everything is now balanced.