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The solubility in moles per dm3 of 20g of CuSO4 dissolve in 100 of water at 180°C ...

The solubility in moles per dm3 of 20g of CuSO4 dissolve in 100 of water at 180°C is?
(Cu = 63.5, S = 32, O = 16)
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  • A 0.13
  • B 0.25
  • C 1.25
  • D 2.00
Correct Answer: Option C
Explanation:
Solubility in moles per dm3
No of moles = (20)/(159.5) χ 0.125 moles
in 100 g of moles = (0.125)/(100) χ 1000 = 1.25 moles

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