Home
Class 12
CHEMISTRY
a) 24 g of a non-volatile, non-electroly...

a) 24 g of a non-volatile, non-electrolyte solute is added to 600 g of water. The boiling point of the resulting solution is 373.35K. Calculate the molar mass of the solute `("Given boiling point of pure water = 373 K and Kb for water=0.52 K kg mol"^(-1))`.

Text Solution

Verified by Experts

Given
`w_(2)=24g`
`w_(1)=600g`
`DeltaT_(b)=0.35 K`
`m_(2)=?` `"Molar mass of the solute, "M_(2)=(1000KbW_(2))/(DeltaTbxxw_(1))`
`therefore M_(2)="59.42g mol"^(-1)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • II PUC CHEMISTRY (P.U. BOARD LATEST MODEL QUESTION PAPER - 1)

    SUNSTAR PUBLICATION|Exercise PART - C|14 Videos
  • II PUC CHEMISTRY (ANNUAL EXAM QUESTION PAPER MARCH - 2016)

    SUNSTAR PUBLICATION|Exercise PART - D|26 Videos
  • II PUC CHEMISTRY (P.U. BOARD LATEST MODEL QUESTION PAPER - 2)

    SUNSTAR PUBLICATION|Exercise PART - D|28 Videos

Similar Questions

Explore conceptually related problems

A solution containing 18g of non - volatile non - electrolyte solute is dissolved in 200g of water freezes at 272.07K. Calculate the molecular mass of solute. Given K_(f)=1.86kg//mol and freezing point of water = 273K

A solution containing 18g of non-volatile non-electrolyte solute is dissolved in 200g. Of water freezes at 272.07K. Calculte the moler mass of solute Given K_f=1.86K kg//mol Freezing point of water=273K

Knowledge Check

  • 1.5 g of a non-volatile, non-electrolyte is dissolved in 50 g benzene ( K_b = 2.5 kg mol^(-1) ). The elevation of the boiling point of the solution is 0.75 K. The molecular weight of the solute in g mol^(-1) is :

    A
    200
    B
    50
    C
    75
    D
    100
  • Similar Questions

    Explore conceptually related problems

    Aqueous solution of 3% non-volatile solute exerts a pressure of 1 bar at the boiling point of the solvent. Calculate the molar mass of solute.

    A solution containing 12.5 g of non-electrolyte solution in 175g of water gave a boiling point elevation of 0.7 k. calculate the molar mass of the solute if K_(b) for water is 0.52 K kg mol^(-1) .

    A solution containg 12 g of a non-electrolyte substance in 52 g of water gave boiling point elevation of 0.40 K . Calculate the molar mass of the substance. (K_(b) for water = 0.52 K kg mol^(-1))

    A solute containing 0.564g of solute in 36.8g of acetone boils at 56.46^(@)C . Calculate the molar mass of solute if the boiling point of acetone is 56.30^(@)C . [ K_(b) for acetone 1.92K kg. mol^(-1) ]

    5% solution of a substnace in water has freezing point 269.06K. Calculate molar mass of solute. Freezing point of pure water 273.15K. [ K_(f)=14K.kg" "mol^(-1)] .

    1.0 g of non - electrolyte solute dissolved in 50 g of benzene lowered the freezing point of benzene by 0.4 K. Find the molar mass of the solute. [Given : Freezing point depression constant of benzene = 5.12 K. kg mol].

    3 gram of non-volatile solute in a 1000 cm^(3) of water shows an osmotic pressure of 2 bar at 300K. Calculate the molar mass of the solute (R=0.0853" L bar "K^(-1)mol^(-1)) .