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2 litres of a...

Question

2 litres of alcohol is present in 8 litres of an aqueous solution of alcohol. The volume percent will be?

A

20%

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B

22.5 %

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C

25 %

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D

27.5%

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Solution

The correct option is C
25 %

Volume of solute = 2 litres

Volume of solution = 8 litres

Volume percent = $\frac{V o l u m e o f s o l u t e}{V o l u m e o f s o l u t i o n} \times 100$

Volume percent = $\frac{2}{8} \times 100$ =25 %

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