Balancing the redox reaction in acidic media:
BrO3-(aq) + N2H4(aq) → Br2(l) + N2(g)
Step 1: Separate the whole reaction into two half-reactions:
BrO3-(aq) → Br2(l) N2H4(aq) → N2(g)
Step 2: Balance the non-hydrogen and non-oxygen elements first:
2 BrO3-(aq) → Br2(l) N2H4(aq) → N2(g)
Complete and balance the following equation:
BrO3-(aq) + N2H4(aq) → Br2(l) + N2(g) (acidic solution)
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