Copper(II) sulfate is a soluble salt. Calcium sulfate is an insoluble salt. Which row gives the correct reactants for making a pure sample of the salt named?
- Acalcium sulfate: calcium carbonate + dilute sulfuric acid
- Bcalcium sulfate: aqueous calcium chloride and aqueous sodium sulfate
- Ccopper(II) sulfate: copper + dilute sulfuric acid
- Dcopper(II) sulfate: aqueous copper(II) chloride and aqueous sodium sulfate