find the concentration of a solution of 40 g common salt(solute) in 520g water (solvent)
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mass of solute =40g
mass of solvent =520g
mass of solution= mass of solute + mass of solvent
= 40g+520g
=560g
mass percentage of a solution = (mass of solute/mass of solution)×100
=[40/560]×100
=7.14%
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