Respuesta :

Pachhi

Answer:

1:3:1:3

Explanation:

N2+ 3×2H ---->N 2×1 H3×2

2÷2 + 6÷2 -------->>>2÷2 6÷2

1 N+ 3H --------1N ×H3

the ratio is 1;:3:1:3

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