Calculate the concentration of a solution which contains 2.5 g of salt dissolved in 50 g of water.

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Solution

Mass of Solute= 2.5 g
Mass of Solvent=50 g
Mass of Solution =52.5g
Hence
Concentration of solution . %= $fraction numerator m a s s space o f space s o l u t e space over denominator m a s s space o f space s o l u t i o n end fraction$ × 100
So it has= $fraction numerator 2.5 over denominator 52.5 end fraction$ ×100=4.76%
Hence concentration of solution is 4.76%

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