1.

20 cm^(3)of an alcohol is dissoved in 80 cm^(3) of watercalculate the percentageof alcoholin the solution

Answer»

SOLUTION :Volumeof alcohol = 20 `CM^(3)`
Volumeof water = 80 `cm^(3)`
`therefore` percentageof alcohol =`(20)/(20+80)xx100=20`


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