Q. 154.3( 23 Votes )

To make a saturated solution, 36 g of sodium chloride is dissolved in 100g of water at 293 K. Find its concentration at this temperature.

Answer :

Mass of solute (sodium chloride) = 36 g


And, Mass of solvent (water) = 100 g


So, Mass of solution = Mass of solute + Mass of solvent = 36 + 100 = 136 g


Concentration of solution = Mass of solute / Mass of solvent 100


Now, putting these values of 'mass of solute' and 'mass of solution' in the above formula, we get: Concentration of solution = 36/136 100 = 26.47 percent.


Therefore, the concentration of saturated solution sodium chloride at 293 K is 26.47 percent.

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