Solubility = number of moles of solutionvol of solution
100g of water = 100 cm3 = 0.1 dm3.
CuSO4 = 160 g/mol
No of moles of CuSO4 in 40g = 40160
= 0.25 mol.
Solubility = 0.250.1
= 2.5 moldm−3.
