Дано
w(N) = 82.36% = 0.8236
NxHy
Решение
w(H) = 1 - w(N) = 1 - 0.8236 = 0.1764
w(N) = xAr(N) / (xAr(N) + yAr(H)) = 14x / (14x + y) = 0.8236
14x = 0.8236(14x + y)
14x = 0.8236(14x + y)
14x = 11.5304x + 0.8236y
2.4696x = 0.8236y
3x = 1y
x : y = 1 : 3
NH3
Ответ: NH3