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A mixture of ethanol and water contains ...

`A` mixture of ethanol and water contains `54%` water by mass. Calculate the mole fraction of alcohol in this solution.

Text Solution

Verified by Experts

The correct Answer is:
`0.25`
`X_("ethanol") = (46//46)/(46//46+54//18)=0.25`
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Knowledge Check

  • The percentage of ethyl alchol by weight is 46% in a mixture of ethanol and water. The mole fraction of alcohol in this solution is

    A
    0.25
    B
    0.75
    C
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    D
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  • Rectified spirit contains 95% ethanol by mass. The mole fraction of ethanol will be

    A
    0.881
    B
    0.99
    C
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    D
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  • A solution has 25% of water, 25% ethanol and 50% acetic acid by mass. Calculate the mol e fraction of each component.

    A
    ` 0.50, 0.3, 0.19 `
    B
    ` 0.19,0.3,0.50 `
    C
    ` 0.3, 0.19, 0.50 `
    D
    ` 0.50, 0.19, 0.3 `

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