The furring of kettles is caused by the presence in the water of?
In the course of purifying water for town supply the water is passed through large settlings tanks, containing sodium aluminate (III) to remove?
Permanent hardness of water can be removed by?
Calculate the solubility in mol dm-3 of 40g of CuSO4 dissolved in 100g of water at 120°C?
[Cu = 64, S = 32, O = 16]
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 ?
