Chemistry 0620 · IGCSE · Rate of reaction

Rate of reaction — practice question

An experiment is done to determine the reaction rate between hydrochloric acid and zinc. $\text{Zn(s)} + 2\text{HCl(aq)} \rightarrow \text{ZnCl}_2\text{(aq)} + \text{H}_2\text{(g)}$ The experiment results are shown. What label is used for the y-axis?

  • Aamount of $\text{ZnCl}_2$ produced
  • Bconcentration of $\text{HCl}$
  • Cmass of $\text{Zn}$ reacted
  • Dvolume of $\text{H}_2$ produced

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