1.

Findthe amountof urea whichis to be dissolvedin water to get500 gof 10 %w/waqueoussolution ?

Answer»

SOLUTION :Masspercentage( w/w )` = ("Massof thesolute ")/(" Mass of THESOLUTION ") xx 100`
`= 10 = ("Massofurea ")(" 500 ")xx 100`


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