I believe the answer is burning a candle
6 carbon atoms
H H
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3 x H - C - C - O - H
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H H
For the equation to be balanced, the Atom's coefficient on the left side and the right side of the equation has to be equal
so, the answer would be :
Br2 + S2032- + 5H20 -- > BR2- + 2S02- + H+
Hope this helps
