The solubility of copper (II) tetraoxosulphate (Iv) is 75g in 100g of water at 100°C...
CHEMISTRY
JAMB 1991
The solubility of copper (II) tetraoxosulphate (Iv) is 75g in 100g of water at 100°C and 25g in 100g of water at 30°C. What mass of the salt would crystallize, if 50g of copper (II) tetraoxosulphate (VI) solution saturated at 100°C were cooled to 30°C ?
- A. 57.5
- B. 42.2
- C. 28.6
- D. 14.3
Correct Answer: D. 14.3
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