When 250 cm 3 of a saturated solution of CuSO 4 at 30°C was evaporated
CHEMISTRY
WAEC 2020
When 250 cm3 of a saturated solution of CuSO4 at 30°C was evaporated to dryness, 5.0 g of the salt was obtained.. What is the solubility of the salt at 30°C? [CuSO4 = 160]
- A. 0.031
- B. 0.125
- C. 0.640
- D. 1.560
Correct Answer: B. 0.125
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When 250cm 3 of a saturated solution of cuso 4 at 30*c was evaporated to dryness, 5.0g of the salt was obtained. What is the solubility of the salt at 30*oc