Aaruhi has prepared 0.02% (by mass) solution of sodium chloride in water. Which of the following correctly represents the composition of the solutions?
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Explanation:
0.0l g of NaCl + 99.99g of water
Mass by mass % =MassofsolutionMassofsolute×100
=100.01=0.01%
=0.01+99.99.01×100
=1000.01×100
Hence, mass of solute =0.01 g and mass of solvent =99.99gms.
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