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Diffine the following mofes of expressin...

Diffine the following mofes of expressing the concentration of a solution? Which of which of these modes are independent of temperature and why ?
`{:((a),w//w("mass percentage"),(b),V//V("volume percentage")),((c),w//V("mass by volume percentage"),(d),"ppm" ("part per million")),((e),X("mole fraction"),(f),M("molarity")),((g),m("molality"),,):}`

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Knowledge Check

  • Which of the following relations is correct for the mole fraction of the solute (x)? (m and M are the molality of the solution and molar mass of the solvent respectively.)

    A
    `x=(mM)/(1000+mM)`
    B
    `x=(mM)/(1000-mM)`
    C
    `x=(1+mM)/(mM)`
    D
    `x=(1-mM)/(mM)`

  • What is the concentration and % (w/w) of 5.6V H2O2 solution? (Given molar mass of H2O2 = 34g/mol, density =1g/mL)

    A
    0.5,1.70
    B
    0.25,1.70
    C
    0.5,0.85
    D
    0.25,0.85

  • The solutions which are isotonic with 6 % (w/V) solution of urea are

    A
    18 % (w/V) solution of glucose
    B
    0.5 M solutions of `BaCl_(2)`
    C
    1 M solution of socrose
    D
    1 M solution of acetic acid.