K⁰ + H+¹N+⁵O₃⁻²(р) = K+¹N+⁵O₃⁻² + N¯³H₃⁺¹ + H₂⁺¹O-²
K⁰ - 1ē -> K+¹ │1│8
N+⁵ + 8ē -> N¯³ │8│1
8K + 9HNO₃(р) = 8KNO₃ + NH₃ + 3H₂O
