Q-3 a,what mass of potassium chloride would be needed to form saturated solution in 50 g of water at 313k .given solubility of the salt= 40g/100g of water at this temperature b, what will happen in the solution at this temperature is cooled?
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(a) Mass of potassium chloride in 100 g of water in saturated solution = 46 g
Mass of potassium chloride in 50 g of water in saturated solution = (46g)(100g)×(50g)=23g
(b) When the solution is cooled, the solubility of salt in water will decrease. This means that upon cooling, it will start separating from the solution in crystalline form.
Explanation:
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