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The density of a 10.0% by mass of KCl so...

The density of a 10.0% by mass of KCl solution in water is 1.06 g/mL. Calculate molarity, molality and mole fraction of KCl in the solution.

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The correct Answer is:
Molarity 1.42 M ; Molality = 1.489m ; mole fractiom of KCl = 0.026]
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Knowledge Check

  • The density of 10.0% by mass KCl solution in water is 1.06 g cm^(-3) . Its molarity is

    A
    1.489 M
    B
    1.420 M
    C
    `1.420 mol kg^(-1)`
    D
    `1.489 mol kg^(-1)`

  • The density of a solution containing 13% by mass of sulphuric acid is 1.09g//mL . Calculate the molarity and normality of the solution

    A
    ` 1.445M `
    B
    ` 14.45M `
    C
    ` 144.5M `
    D
    ` 0.1445M `

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