Chemistry 0620 · IGCSE · Relative masses of atoms and molecules

Relative masses of atoms and molecules — practice question

When chlorine is reacted with hot concentrated aqueous sodium hydroxide, one product produced is sodium chlorate(V). The formula for sodium chlorate(V) is $\text{NaClO}_3$. What is the relative formula mass of sodium chlorate(V), $\text{NaClO}_3$?

  • A52.0
  • B74.5
  • C106.5
  • D223.5

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