Q3 of 25 Page 154

The solubility of common salt in 100g of water is 36g. If 20g of salt is dissolved in it, how much more is required to attain saturation?

Solubility of any solute (common salt) in a given solvent (water) is defined as the grams of solute required to saturate the 100g of the given solvent at a particular temperature. The term saturation means that no more solute can be dissolved in a given amount of solvent at a particular temperature.

So, from the above information, we can conclude that 36g of common salt is needed to be dissolved in 100g of water to make a saturated solution. So if 20g are already dissolved than we require 16g (36-20=16) more common salt to attain saturation.


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