Complete and balance the reaction in acidic solution. equation: ZnS + NO_{3}^{-} -> Zn^{2+} + S + NO ZnS+NO−3⟶Zn2++S+NO Which element is oxidized? S N Zn Which element is reduced? S N Zn Which species is the oxidizing agent? ZnS NO−3 Zn2+ Which species is the reducing agent? ZnS NO−3 Zn2+