Chemistry 5070 · O Level · Preparation of salts

Preparation of salts — practice question

Which method should be used to obtain a pure sample of potassium chloride?

  • Aadding $\text{AgCl}(s)$ to $\text{KNO}_3(aq)$
  • Badding excess $\text{K}_2\text{CO}_3(s)$ to $\text{HCl}(aq)$
  • Cmixing $\text{KNO}_3(aq)$ with $\text{NaCl}(aq)$
  • Dtitrating $\text{KOH}(aq)$ with $\text{HCl}(aq)$

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