Chemistry 0620 · IGCSE · Formulae

Formulae — practice question

A nitrogen oxide contains the following percentages by mass: N, 30.4%; O, 69.6%. Its relative molecular mass is 92. Determine the molecular formula of this nitrogen oxide.

  • A$\text{NO}$
  • B$\text{NO}_2$
  • C$\text{NO}_4$
  • D$\text{N}_2\text{O}_4$

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