+1 +5 -2 +1 -1 +1 +6 -2 +2 -2 0 +1 +6 -2 +1 -2 2K N O3 + 6K I + 4H2 S O4 = 2N O + 3I2 + 4K2 S O4 + 3H2 O +5 +2 N +3е -> N 3 2 -1 0 6 2I -1e*2 -> I2 2 3