Chemistry 9701 · AS & A Level · Atoms, molecules and stoichiometry

Atoms, molecules and stoichiometry — practice question

When chlorine dioxide, $\text{ClO}_2$, reacts with aqueous sodium hydroxide, it forms water together with a mixture of two sodium salts, $\text{NaClO}_2$ and $\text{NaClO}_3$. What is the mole ratio of $\text{NaClO}_2$ to $\text{NaClO}_3$ in the product mixture?

  • A$1:2$
  • B$3:5$
  • C$1:1$
  • D$5:3$

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