Chemistry 0620 · IGCSE · Preparation of salts

Preparation of salts — practice question

Copper(II) sulfate forms when copper(II) carbonate is added to dilute sulfuric acid. $\text{CuCO}_3 + \text{H}_2\text{SO}_4 \rightarrow \text{CuSO}_4 + \text{H}_2\text{O} + \text{CO}_2$ Pure copper(II) sulfate crystals are produced. Which reactant is in excess, and by what method are the crystals obtained?

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