Where is more nitrogen N2O or N2O3?

1) N2O. Atomic mass of nitrogen = 28. Molecular weight = 44
28/44 * 100% = 63.7%
2) N2O3 / Atomic mass of nitrogen = 28. Molecular weight = 76
28/76 * 100% = 36%
Conclusion: more nitrogen in N2O



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