1.

Calculatethe Volumeof ethanolin 200 mlsolutionof 20 %v/vaqueoussolutionof ethanol .

Answer»

SOLUTION :Volumeof aqueoussolution= 200 ml
Volumepercentage= 20 %
Volumepercentage`= (Volume of thesolute ")/("Volumeof THESOLUTION ")xx 100 `
`20=("Volumeof ethanol ")/("200 ") xx 100`
Volumeof ethanol`=( 20 xx 200)/(100) = 40 ml`


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