Salt preparations
3 marks · EasyThe table below shows some ionic compounds. Complete the table by stating whether each compound is soluble or insoluble in water, according to the solubility rules.
| Compound | Soluble or Insoluble in water |
|---|---|
| Copper(II) chloride | |
| Ammonium sulfate | |
| Calcium carbonate |
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(Copper(II) chloride) Soluble
(Ammonium sulfate) Soluble
(Calcium carbonate) Insoluble
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Marking points
B1 · 1 mark · States that copper(II) chloride is soluble.
B1 · 1 mark · States that ammonium sulfate is soluble.
B1 · 1 mark · States that calcium carbonate is insoluble.
Worked solution
| Compound | Soluble or Insoluble in water |
|---|---|
| Copper(II) chloride | Soluble |
| Ammonium sulfate | Soluble |
| Calcium carbonate | Insoluble |