50 g of water is evaporated from a 300 g of 10% (w/w) aqueous solution of common salt. The concentration (w/w) of the resultant solution will be______
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7
Answer:Try like below
Explanation:Mass of solute =10g
Mass of solution =Mass of solute+Mass of solvent
=10 g+100 g
=110 g
Mass % =
Mass of solution
Mass of solute×100
=
110
10×100
=9.09=9.1%
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Answer:
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