Ответ:
Объяснение:
2N2 + 3O2 → 2N2O3
Мr(N2O3) = Ar(N) * 2 + Ar(O) * 3 = 14 * 2 + 16 * 3 = 76
w(O) = Ar(O) * n/Мr(N2O3) * 100% = 16 * 3/76 * 100% = 63,16%
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Ответ:
Объяснение:
2N2 + 3O2 → 2N2O3
Мr(N2O3) = Ar(N) * 2 + Ar(O) * 3 = 14 * 2 + 16 * 3 = 76
w(O) = Ar(O) * n/Мr(N2O3) * 100% = 16 * 3/76 * 100% = 63,16%