Question

what mass of Kcl would be needed to form a saturated solution in 50g of water at 298 kelwin.Given that solubility of salt is 46/100g at the temperature​

Answer 1

Answer:

Solubility:

When the maximum amount of solute is dissolve in the solvent is called solubility. On the basic of solubility the solution are following types:

Saturate solution:

A solution which contains the maximum amount of dissolved solute at the equilibrium is called saturated solution.  

Un-saturate solution:

A solution which contains lesser amount of solute as compare to saturated solution.  It will be able to dissolver more solute.                                        Super -Saturate solution:

A solution which contains the more dissolved amount of solute as compareto saturated solution.

Given that the solubility of KCl at 298 = 46 g KCl /100 g H2O

Means 46 g KCl is required for 100 g water to make saturated solution  

Hence  

50 g water  * 46 g KCl /100 g H2O

= 23 g KCl  

Thus 23 g of potassium chloride would be needed to form a saturated solution in 50g of water at 298K.

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