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Calculate the molarity and mole fraction...

Calculate the molarity and mole fraction of the solute in aqueous solution containing `3.0 g` of urea per `250gm` of water (Mol. Wt. of urea = 60)

Text Solution

Verified by Experts

`"Molality = 0.2 mol kg"^(-1), "Mole fraction "=0.00359`
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Knowledge Check

  • What is the molality of a solution containing 200 mg of urea (molar mass = 60 g mol^(-1) ) ?

    A
    0.0825
    B
    0.825
    C
    0.498
    D
    0.0014

  • Which of the following is suitable alternative for density of the solution , when molarity ( M) and molality ( m ) of an aqueous solution of urea is same at fixed temperature ? ( Molecular wt. of urea = 60 )

    A
    `1- ( 3M)/( 5)`
    B
    `1- ( M )/( 25)`
    C
    `( 50+3m)/( 50)`
    D
    `( 25+2m)/( 25)`

  • What is the amount of urea dissolved per litre, if aqueous solution is isotonic with 10% cane suger soution (mol. wt. of urea = 60)?

    A
    `200 g/L`
    B
    `19.2g//L`
    C
    `17.54g//L`
    D
    `16.7g//L`

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