What mass of potassium sulphate should be needed to prepare a saturated solution in 250g of water at 60°c ? The solubility of potassium sulphate in water is 16g at 60°c?
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75g of water dissolved = 12g of potassium sulphate , So, 100g of water will dissolve = 12/75 × 100 g of potassium sulphate .= 16 g of potassium sulphate . thus,the solubility of potassium sulphate in water is 16 g at 60°c.
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