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Calculate the mole fraction of ethylene ...

Calculate the mole fraction of ethylene glycol `(C_(2)H_(6)O_(2))`
in a solution containing `20%` of `C_(2)H_(6)O_(2)` by mass.

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AI Generated Solution

To calculate the mole fraction of ethylene glycol (C₂H₆O₂) in a solution containing 20% by mass of C₂H₆O₂, we can follow these steps: ### Step 1: Determine the mass of ethylene glycol and water Given that the solution is 20% by mass ethylene glycol, we can assume we have 100 grams of the solution for simplicity. - Mass of ethylene glycol (C₂H₆O₂) = 20 grams - Mass of water (H₂O) = 100 grams - 20 grams = 80 grams ...
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Knowledge Check

  • 45 g of ethylene glycol (C_(2) H_(6)O_(2)) is mixed with 600 g of water. The freezing point of the solution is (K_(f) for water is 1.86 K kg mol^(-1) )

    A
    273.95 K
    B
    270.95 K
    C
    370 . 95 K
    D
    373.95 K
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