Question

5)
To preapre a saturated solution of common salt, 36 g of sodium chloride
are dissolved in 100 g of water at 293 K. Find its concentration at this
temperature.
2marks
imis​

Answer 1

Answer:

Mass of solute (sodium chloride) = 36 g (Given)

Mass of solvent (water) = 100 g (Given)

Then, mass of solution = Mass of solute + Mass of solvent

= (36 + 100) g

= 136 g

Therefore, concentration (mass by mass percentage) of the solution

= mass of solution

---------------------------- × 100%

mass of solvent

= 36

---------- ×100%

136

= 26.47%

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