1.

A solution contains 40 g of common saltdissolved in 320 mL of water. Calculate themass concentration of the solution.

Answer»

Mass of solute - NaCl =40gmMass of solvent - water =320gmMass of solution =(40+320) gm=360gmConcentration in terms of Mass by mass percentage =mass of solute /mass of solution *100=40/360*100%=11.11%



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