1.

A solution is prepared by dissolving 45 g of sugar in 180 g of water. Calculate the mass percentage of solute.

Answer»

Solution :Massof SUGAR= 45 g
Massof WATER( solvent ) = 180g
Masspercentage `=("Massof thesolute ")/(" Mass ofthe SOLUTE+ Massof thesolvent ")xx100`
`=(45)/(45+180) xx 100 = ( 45)/(225 ) xx 100`
`=20 %`


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