The formulae for two hydrated salts are given. • $\text{CuSO}_4 \cdot x\text{H}_2\text{O}$ • $\text{CoCl}_2 \cdot y\text{H}_2\text{O}$ State the values of $x$ and $y$.
- A$x = 5,\ y = 5$
- B$x = 5,\ y = 6$
- C$x = 6,\ y = 5$
- D$x = 6,\ y = 6$
Chemistry 0620 · IGCSE · Formulae