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10g of non volatile solute when …

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10g of non volatile solute when dissolve in 100g of benzene rays its boiling point by 1 K . What is the molecular mass of solute

    • Posted by Deepak Maheshwari 5 years, 5 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Gaurav Seth 5 years, 5 months ago

    Given :

     

    • Raise in boiling point = 1ºC
    • Kb for benzene = 2.53 km⁻¹
    • <font size="2"><font style="user-select: initial !important;">Mass of solute (WB) = 10g</font></font>
    • <font size="2"><font style="user-select: initial !important;">Mass of solvent (WA) = 100g</font></font>
    <div style="margin:0px; padding:0px"><font size="2"><font style="user-select: initial !important;">∆Tb = kb x m = kb </font></font></div> <div style="margin:0px; padding:0px"> </div> <div style="margin:0px; padding:0px"><font size="2"><font style="user-select: initial !important;">MB = kb </font></font></div>

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