Answer:
Explanation:
Balance the OHs first. There's 3 on the right.
FeC13 + 3NaOH -> NaCl + Fe(OH)3
Now balance the Nas. There are 3 on the left.
FeC13 + 3NaOH -> 3NaCl + Fe(OH)3
The equation is now balanced
Chemical     Left     Right
Fe            1        1
Na           3       3
Cl            3       3
OH Â Â Â Â Â Â Â Â Â 3 Â Â Â Â Â Â Â 3