Home
Class 12
CHEMISTRY
What is Kb, if 0.5 g of solute ( molar m...

What is `K_b`, if 0.5 g of solute ( molar mass 100g/mol) in 25g of solvent showed an elevation of `1^@`C in B.P.

Text Solution

Verified by Experts

The correct Answer is:
`K_b`=5
Promotional Banner

Topper's Solved these Questions

  • SOLUTIONS

    AAKASH SERIES|Exercise Objective Exercise -1|115 Videos

  • SOLUTIONS

    AAKASH SERIES|Exercise Objective Exercise -2|110 Videos

  • SOLUTIONS

    AAKASH SERIES|Exercise Subjective Exercise-3 (Very Short Answer)|11 Videos

  • SOLIDS STATE

    AAKASH SERIES|Exercise PRACTICE EXERCISE|63 Videos

  • STATES OF MATTER

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE -PRACTICE SHEET (ADVANCED) (LINKED COMPREHENSION TYPE QUESTIONS) (PASSAGE- IV)|2 Videos

Similar Questions

Explore conceptually related problems

The molality (in mol kg^(-1) ) of 1 mole of solute in 50 g of solvent is :

When 0.9 g of a non-volatile solute was dissovled in 45 g of benezene, the elevation of boiling point is 0.88^@C . If K_b for benezene is 2.53 K kg "mol"^(-1) , Calculate the molar mass of solute.

4.5g of urea (molar mass = 60g "mol"^(-1) ) are dissolved in water and solution is made to 100 ml in a volumetric flask. Calculate the molarity of solution.

A solution of 17.1 w% of sucrose ( molar mass = 342 " g mol"^(-1) ) is isotonic with a x w% solution of oxalic acid ( molar mass = 90g " mol"^(-1) ). Assume the degree of dissociation of oxalic acid as 0.01. What is x ?

2g of a non-electrolyte solute dissolved in 200 g of water shows an elevation of boiling point of 0.026^(@)C. K_(b) of water is 0.52 K . "mole"^(1) kg then the molecular weight of solute is x xx100 . What is the value of 'x'?

The vapour pressure of a solution having 2.0g of a solute X (molar mass 32 g mol^(-1)) in 100g of CS_(2) (vapour pressure 854 Torr) is 848.9 Torr. The molecular formula of the solute is

K_b for diethylether is 2.16 K kg "mol"^(-1) . Calculate the molar mass of solute when 0.4g of solute present in 40 g of ether, increased the boiling point of ether by 0.17 K.

If the molar mass AB is 100g mol^(-1) and 'a' is edge length then the density of the crystal will be

Y g of a non-volative Oranic substance of molecular mass M is dissolved in 250g benzene Molal elevation contant of bezene is K_(b) . Elevation in its B.P is given by

A solution prepared by dissolving 0.8gm of naphthalene in 100g of C Cl_4 has a boiling point elevation of 0.4^@C . A 1.24 g of an un known solute in same amount of C Cl_4 produced boiling point elevation of 0.62^@C , then molar mass of un-known solute is