1.

Take10 gofcommonsalt anddissolveit in40gof water. Findtheconcentrationof solutionin termsof weightpercent .

Answer»

Solution :Weightpercent=`("WEIGHT of the solute")/("Weightof solute + weightof SOLVENT") xx 100`
`= ( 10) /( 10 +40 ) xx 100= 20 %`


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