USP ethanol in aqueous solution is conta...

USP ethanol in aqueous solution is containing 95% ethanol by volume. At `20^(@)C`, pure ethanol has a density of 0.789 g/mL and USP ethanol density 0.813 g/mL. What is the mass percentage of ethanol in USP ethanol ?

A

`46 %`

B

`90 %`

C

`86 %`

D

`93.3 %`

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The correct Answer is:

D

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