The rate law for the reaction

NH₄+(aq) + NO2–(aq) → N₂(g) + 2H₂O(l)

is given by rate = k[NH₄+][NO2–]. At 25ºC, the rate constant is 3.0 × 10⁻⁴/ M · s. Calculate the rate of the reaction at this temperature if [NH₄⁺] = 0.26 M and [NO₂⁻] = 0.080 M.