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46 gms of ethyl alcohol is dissolved in ...

46 gms of ethyl alcohol is dissolved in 18 gms of water. Calculate the mole fraction of ethyl alcohol. (At. wt of C = 12, 0 = 16, H= 1).

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To calculate the mole fraction of ethyl alcohol in a solution, we can follow these steps: ### Step 1: Calculate the number of moles of ethyl alcohol (C2H5OH) The formula for calculating the number of moles is: \[ \text{Number of moles} = \frac{\text{mass (g)}}{\text{molar mass (g/mol)}} ...
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Knowledge Check

  • 46 gms of ethyl alcohol is dissolved in 18 gms of water. Calculate the mole fraction of ethyl alcohol. (At. wt of C= 12, O=16, H=1).

    A
    0.7
    B
    0.8
    C
    0.2
    D
    0.5

  • A solution is prepared by dissolving 46 g of ethyl alcohol in 90 g of water. The mole fraction of ethyl alcohol in this solution is:

    A
    `46/90`
    B
    `90/46`
    C
    `46/(90 + 46)`
    D
    `1/6`

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