How do I balance the following reaction in acidic conditions using the half-reaction method: As2S5 (s)...

Question

Question

How do I balance the following reaction in acidic conditions using the half-reaction method:

As2S5 (s) + NO3- (aq) <---> H3AsO4 (aq) + HSO4- (aq) + NO2 (g)

The sum of the coefficients should either be 68 or 135. Thank you.

Answer 1

Answer #1

As⁵⁺ + 4HO^- -> AsO₄^3- + 4H⁺ | x2 |

NO^3- + 4HO^- + e^- -> NO₂ +2H₂O |x40 |

S^2- + 4H₂0 -

Answer 2

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