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Calculate mole fraction of KI if the den...

Calculate mole fraction of `KI` if the density of 20% (mass/mass) aqueous `KI` solution is `1.202gmL^(-1)`
(a) 0.0263
(b) 0.569
(c) 0.365
(d) 0.987

Answer

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Calculate (a) molality (b) molarity and (c) mole fraction of KI if the density of 20% (mass/mass) aqueous KI is 1.202 g mL^(-1)

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Knowledge Check

  • Calculate the molarity of Kl if the density of 20% (mass/mass) aqueous Kl is 1.202 " g mL"^(-1)

    A
    `0.004M`
    B
    `1.25M`
    C
    `0.25M`
    D
    `1.45M`

  • What would be the molality of 20% (mass/mass) aqueous solution of KI ? (molar mass of KI = 166 g mol^(-1) )

    A
    `1.08`
    B
    `1.48`
    C
    `1.51`
    D
    `1.35`

  • What is the mole fraction of the solute in a 1.0 m aqueous solution ?

    A
    `1.770`
    B
    `0.0354`
    C
    `0.0177`
    D
    `0.177`

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    Calculate the (a) molality, (b) molartiy, and (c) mole fraction of KI if the density of 20% ( mass // mass ) aqueous KI is 1.202 g m L^(-1) .

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