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

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1 Answer

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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 solute / Mass of solvent × 100 % 

= 36 / 136 × 100 % 

= 26.4 %

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