1.

ample2.1 A solution contains 40 g ofcommon salt in 320 g of water.Calculate the concentration in terms ofmass by mass percentage of thesolution

Answer»

Given:Mass of solute(NaCl)= 40gmMass of solvent (water)=320gmTo find: Concentration in terms of mass by mass percentageFormula used: Concentration in terms of mass by mass percentage=Mass of solute/mass of solution * 100solution:Mass of solution=(40+320)=360gm Concentration in terms of mass by mass percentage=40/360 *100=11.11%Answer:=11.11%



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