Chemistry 0620 · IGCSE · Relative masses of atoms and molecules

Relative masses of atoms and molecules — practice question

$2.56\,\text{g}$ of the metal oxide, $\text{MO}_2$, is reduced to give $1.92\,\text{g}$ of the metal, M. What is the relative atomic mass of M?

  • A$48$
  • B$96$
  • C$128$
  • D$192$

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